packages/CarrierDefaultApp/proguard.flags - android_frameworks_base - Gitiles

 # Keep classes and methods that have the @JavascriptInterface annotation
 -keepclassmembers class * {
     @android.webkit.JavascriptInterface <methods>;
 }
	# Keep classes and methods that have the @JavascriptInterface annotation
	-keepclassmembers class * {
	@android.webkit.JavascriptInterface <methods>;
	}