Add aggressive cancellation for auto suggestion

- Add ring buffer
- Count separator for auto suggestion
- Add a test for ring buffer

Change-Id: Id4a0aa00ceb1b055b8fc96c45e100d318cceb2ab
diff --git a/tests/Android.mk b/tests/Android.mk
index e72587d..60e82d5 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -10,7 +10,7 @@
 # Include all test java files.
 LOCAL_SRC_FILES := $(call all-java-files-under, src)
 
-LOCAL_PACKAGE_NAME := LatinIMETests
+LOCAL_PACKAGE_NAME := LatinIME2Tests
 
 LOCAL_INSTRUMENTATION_FOR := LatinIme2Google