Merge "Refine system service proguard rules" into main

-keep,allowoptimization,allowaccessmodification class android.app.admin.flags.FeatureFlagsImpl { *; }

-keep,allowoptimization,allowaccessmodification class com.android.server.input.NativeInputManagerService$NativeImpl { *; }

-keep,allowoptimization,allowaccessmodification class com.android.server.ThreadPriorityBooster { *; }

-keep,allowaccessmodification class android.app.admin.flags.Flags { *; }

# Keep all aconfig Flag class as they might be statically referenced by other packages

# An merge or inlining could lead to missing dependencies that cause run time errors

-keepclassmembernames class android.**.Flags, com.android.**.Flags { public *; }

# Referenced via CarServiceHelperService in car-frameworks-service (avoid removing)

-keep public class com.android.server.utils.Slogf { *; }