Fix proguard flags.
diff --git a/apps/client/Android.mk b/apps/client/Android.mk
index 4ca5d76..7a38298 100644
--- a/apps/client/Android.mk
+++ b/apps/client/Android.mk
@@ -34,4 +34,6 @@
 # Also link against our own custom library.
 LOCAL_JAVA_LIBRARIES := com.example.android.platform_library
 
+LOCAL_PROGUARD_ENABLED := disabled
+
 include $(BUILD_PACKAGE)