Merge "Remove proguard.flags from shared/" into tm-qpr-dev am: 180e21a9fe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20446402

Change-Id: Ic9095193379122bc2227f14646e99eb9245bfcb2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

packages/SystemUI/shared/Android.bp

@@ -63,9 +63,6 @@ android_library {
     resource_dirs: [
         "res",
     ],
-    optimize: {
-        proguard_flags_files: ["proguard.flags"],
-    },
     min_sdk_version: "current",
     plugins: ["dagger2-compiler"],
     kotlincflags: ["-Xjvm-default=enable"],

packages/SystemUI/shared/proguard.flags

@@ -1,4 +0,0 @@
-# Retain signatures of TypeToken and its subclasses for gson usage in ClockRegistry
--keepattributes Signature
--keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
--keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken