Migrate to AAPT2

Bug: 73128633
Test: m Loopback
Change-Id: I7ca9a9c0a9246bc44f58e176db8e3d9daf6d9ded
diff --git a/LoopbackApp/app/src/main/Android.mk b/LoopbackApp/app/src/main/Android.mk
index 23b50d2..d25b808 100644
--- a/LoopbackApp/app/src/main/Android.mk
+++ b/LoopbackApp/app/src/main/Android.mk
@@ -12,13 +12,11 @@
 
 LOCAL_CERTIFICATE := platform
 
-LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res \
-    frameworks/support/v7/appcompat/res
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
 
-LOCAL_AAPT_FLAGS := --auto-add-overlay \
-    --extra-packages android.support.v4
+LOCAL_USE_AAPT2 := true
 
-LOCAL_STATIC_JAVA_LIBRARIES := \
+LOCAL_STATIC_ANDROID_LIBRARIES := \
     android-support-v4
 
 include $(BUILD_PACKAGE)