Relax ContextWrapperTest.testAccessDatabase()

It's okay if the directory contains other files. (e.g. *-wal files.)

Bug: 116075652
Test: cts-tradefed run cts-dev --skip-device-info --skip-preconditions --skip-system-status-check com.android.compatibility.common.tradefed.targetprep.NetworkConnectivityChecker -a armeabi-v7a -l INFO -m CtsContentTestCases -t 'android.content.cts.ContextWrapperTest#testAccessDatabase'
Change-Id: I3d90ada8f6a3fe375b94c2becc1ca5fdb2dd0c1d
Merged-in: I960388ea083ae4362febba7377b66fc9d844ff91
diff --git a/tests/tests/content/src/android/content/cts/ContextWrapperTest.java b/tests/tests/content/src/android/content/cts/ContextWrapperTest.java
index 408855d..a01e9e0 100644
--- a/tests/tests/content/src/android/content/cts/ContextWrapperTest.java
+++ b/tests/tests/content/src/android/content/cts/ContextWrapperTest.java
@@ -340,7 +340,6 @@
 
         // Test databaseList()
         List<String> list = Arrays.asList(mContextWrapper.databaseList());
-        assertEquals(2, list.size());
         assertTrue("1) database list: " + list, list.contains(DATABASE_NAME1));
         assertTrue("2) database list: " + list, list.contains(DATABASE_NAME2));