Merge "RPC binder: one more pool test flake fix" am: 594425ca17 am: 2a685e6273 am: 224e8b0b34

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2610071

Change-Id: I02425821af6e9fd75c85a6da8ee3e29fbaae59d3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>