Merge "RPC binder: one more pool test flake fix" am: 594425ca17

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

Change-Id: I2a59bd486718cb82a674c212194290a5100f7279
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>