Merge "binderClearBufTest: remove unnecessary flush" am: 253d914cc4 am: 7a1eb4653a

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1552568

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I4137766697cde502732675a97267fb366798f1de