Move MemUsage into run-test.

Change-Id: If14a75aa1a2297ea51577baa5b4ee9e654c5db1a
diff --git a/build/Android.common.mk b/build/Android.common.mk
index 420ad33..e6185ba 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -434,7 +434,6 @@
 	ConcurrentGC \
 	IntMath \
 	Invoke \
-	MemUsage \
 	ParallelGC \
 	ReferenceMap \
 	ReflectionTest \
diff --git a/test/103-string-append/expected.txt b/test/103-string-append/expected.txt
new file mode 100644
index 0000000..f75da10
--- /dev/null
+++ b/test/103-string-append/expected.txt
@@ -0,0 +1 @@
+Test complete
diff --git a/test/103-string-append/info.txt b/test/103-string-append/info.txt
new file mode 100644
index 0000000..f8be9b4
--- /dev/null
+++ b/test/103-string-append/info.txt
@@ -0,0 +1 @@
+Simple test that triggers GC by appending to a String.
diff --git a/test/103-string-append/src/Main.java b/test/103-string-append/src/Main.java
new file mode 100644
index 0000000..12b1d8e
--- /dev/null
+++ b/test/103-string-append/src/Main.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+public class Main {
+  public static final int ROUNDS = 16;
+  public static final int SIZE = 8 * 1024;
+
+  public static void main(String [] args) {
+    String s;
+    for (int j = 0; j < ROUNDS; j++) {
+      s = "";
+      for (int i = 0; i < SIZE; i++) {
+        s += "x";
+      }
+    }
+    System.out.println("Test complete");
+  }
+}
diff --git a/test/MemUsage/MemUsage.java b/test/MemUsage/MemUsage.java
deleted file mode 100644
index 710031b..0000000
--- a/test/MemUsage/MemUsage.java
+++ /dev/null
@@ -1,15 +0,0 @@
-
-public class MemUsage {
-  public static final int ROUNDS = 8;
-  public static final int SIZE = 2000;
-
-  public static void main(String [] args) {
-    String s;
-    for (int j = 0; j < ROUNDS; j++) {
-      s = "";
-      for (int i = 0; i < SIZE; i++) {
-        s += "x";
-      }
-    }
-  }
-}