[automerger skipped] Merge "Verify mPollThread is joinable before detaching"...

[automerger skipped] Merge "Verify mPollThread is joinable before detaching" into android10-tests-dev am: ebb71b59 -s ours

am skip reason: Change-Id Ie685ae2dc314edb8df2f3cc7112141a2f5e46008 with SHA-1 65945cfb is in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1167936

Change-Id: I8f9ce1bb6ce2481895365b52b80e6cf9b229c2fc