Disabling ProGuard for acceleration tests.

bug: 10666406
Change-Id: I711569e6e0b05fc661befa840c9d74156cd69176
diff --git a/tests/acceleration/Android.mk b/tests/acceleration/Android.mk
index bb6b89f..ef96a24 100644
--- a/tests/acceleration/Android.mk
+++ b/tests/acceleration/Android.mk
@@ -22,6 +22,8 @@
 
 LOCAL_DEX_PREOPT := false
 
+LOCAL_PROGUARD_ENABLED := disabled
+
 LOCAL_JAVA_LIBRARIES := android.test.runner
 
 LOCAL_SRC_FILES := $(call all-java-files-under, src)