Add a feature flag to log excessive incoming binder proxies in statsd am: eaa72139

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3023863



Change-Id: I24086fb975c799eb0a7d8e5638423cb8c61b9029
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>