Merge "libbinder: avoid global mutex every binder call" am: 2054ee3fee am: 0ee6d8fcd8 am: 4d836a68c6 am: d35efe9b91 am: d0b5abbcdf

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1367817

Change-Id: I4a493ff4df5762e6a3a3cdc9b7a467c099eb79b3