Remove "StringTest.java".

This only tests stuff that's already better tested in dalvik/libcore, plus
private ICU API (RuleBasedNumberFormat) we'd like to remove, and that this
is the only caller of.
diff --git a/tests/CoreTests/android/core/StringTest.java b/tests/CoreTests/android/core/StringTest.java
deleted file mode 100644
index 957dd40..0000000
--- a/tests/CoreTests/android/core/StringTest.java
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.core;
-
-import com.ibm.icu4jni.text.RuleBasedNumberFormat;
-import com.ibm.icu4jni.text.RuleBasedNumberFormat.RBNFType;
-
-import junit.framework.TestCase;
-import android.test.suitebuilder.annotation.SmallTest;
-
-/**
- * Some String tests.
- */
-public class StringTest extends TestCase {
-    private String germanSpelloutRule = "%alt-ones:" +
-            "    -x: minus >>;" +
-            "    x.x: << komma >>;" +
-            "    null; eins; =%%main=;" +
-            "%%main:" +
-            "    null; ein; zwei; drei; vier; f\u00fcnf; sechs; sieben; acht; neun;\n" +
-            "    zehn; elf; zwu00f6lf; >>zehn;" +
-            "    20: [>>und]zwanzig;" +
-            "    30: [>>und]dreiu00dfig;" +
-            "    40: [>>und]vierzig;" +
-            "    50: [>>und]fu00fcnfzig;" +
-            "    60: [>>und]sechzig;" +
-            "    70: [>>und]siebzig;" +
-            "    80: [>>und]achtzig;" +
-            "    90: [>>und]neunzig;" +
-            "    100: hundert[>%alt-ones>];" +
-            "    200: <<hundert[>%alt-ones>];" +
-            "    1000: tausend[>%alt-ones>];" +
-            "    1100: tausendein[>%alt-ones>];" +
-            "    1200: tausend[>%alt-ones>];" +
-            "    2000: <<tausend[>%alt-ones>];";
-
-    @SmallTest
-    public void testString() throws Exception {
-        String test = "0123456789";
-        String test1 = new String("0123456789");    // different object
-        String test2 = new String("0123456780");    // different value
-        String offset = new String("xxx0123456789yyy");
-        String sub = offset.substring(3, 13);
-
-        assertEquals(test, test);
-        assertEquals(test, test1);
-        assertFalse(test.equals(test2));
-
-        assertEquals(0, test.compareTo(test1));
-        assertTrue(test1.compareTo(test2) > 0);
-        assertTrue(test2.compareTo(test1) < 0);
-
-        /* compare string with a nonzero offset, in left/right side */
-        assertEquals(0, test.compareTo(sub));
-        assertEquals(0, sub.compareTo(test));
-        assertEquals(test, sub);
-        assertEquals(sub, test);
-        /* same base, one is a substring */
-        assertFalse(offset.equals(sub));
-        assertFalse(sub.equals(offset));
-        /* wrong class */
-        assertFalse(test.equals(this));
-
-        /* null ptr - throw */
-        try {
-            test.compareTo(null);
-            fail("didn't get expected npe");
-        } catch (NullPointerException npe) {
-            // expected
-        }
-        /* null ptr - ok */
-        assertFalse(test.equals(null));
-
-        test = test.substring(1);
-        assertEquals("123456789", test);
-        assertFalse(test.equals(test1));
-
-        test = test.substring(1);
-        assertEquals("23456789", test);
-
-        test = test.substring(1);
-        assertEquals("3456789", test);
-
-        test = test.substring(1);
-        assertEquals("456789", test);
-
-        test = test.substring(3, 5);
-        assertEquals("78", test);
-
-        test = "this/is/a/path";
-        String[] strings = test.split("/");
-        assertEquals(4, strings.length);
-
-        assertEquals("this is a path", test.replaceAll("/", " "));
-        assertEquals("this is a path", test.replace("/", " "));
-
-        assertEquals(0, "abc".compareToIgnoreCase("ABC"));
-        assertTrue("abc".compareToIgnoreCase("DEF") < 0);
-        assertTrue("ABC".compareToIgnoreCase("def") < 0);
-        assertTrue("Now".compareTo("Mow") > 0);
-        assertTrue("Now".compareToIgnoreCase("Mow") > 0);
-
-        // RuleBasedNumberFormnat tests
-        RuleBasedNumberFormat format = new RuleBasedNumberFormat();
-        format.open(RBNFType.SPELLOUT);
-        String result = format.format(15);
-        assertEquals("Expected spellout format: 'fifteen' but was "
-                + result, "fifteen", result);
-        format.close();
-
-        format.open(RBNFType.DURATION);
-        result = format.format(15);
-        assertEquals("Expected spellout format: '15 sec.' but was "
-                + result, "15 sec.", result);
-        format.close();
-
-        format.open(RBNFType.ORDINAL);
-        result = format.format(15);
-        assertEquals("Expected spellout format: '15th' but was "
-                + result, "15th", result);
-        format.close();
-        format.open(germanSpelloutRule);
-
-        result = format.format(1323);
-        assertEquals("Expected spellout format: 'tausenddrei" +
-                "hundertdreiundzwanzig' but was " + result, "tausend" +
-                        "dreihundertdreiundzwanzig", result);
-            int res = format.parse("tausenddreihundertdreiundzwanzig")
-                    .intValue();
-            assertEquals("Expected spellout format: 'tausend" +
-                    "dreihundertdreiundzwanzig' but was " + res , 1323, res);
-        format.close();
-    }
-}
-