Update README for TestWakeupClientServer. am: 1b66644304

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2271981

Change-Id: Iefc59077e3816313569fa7f05ec187e9849fc99b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>