Merge "libbinder: also avaid sWarningCallback lock" into main am: a26652b0ef am: acc353de1a

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3308937

Change-Id: Ib2956e3d496cef8c8cdd11484a045d83d4d9a4ea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>