Merge "Remove proguard rules that are imported via aapt2"

proguard.flags

@@ -39,21 +39,3 @@
     public static ** SEARCH_INDEX_DATA_PROVIDER;
     public static ** SUMMARY_PROVIDER_FACTORY;
 }
-
-# Keep classes, annotations and members used by Lifecycle
--keepattributes *Annotation*
-
--keepclassmembers enum android.arch.lifecycle.Lifecycle$Event {
-    <fields>;
-}
-
--keep class * implements android.arch.lifecycle.LifecycleObserver {
-}
-
--keep class * implements android.arch.lifecycle.GeneratedAdapter {
-    <init>(...);
-}
-
--keepclassmembers class ** {
-    @android.arch.lifecycle.OnLifecycleEvent *;
-}