Merge "testNotificationDelegate_grantAndReadChannel: extends the wait time to reduce flakiness" am: f46b5d4377

Original change: https://android-review.googlesource.com/c/platform/cts/+/1526813

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I55e7079d0aa440a4c662417b4024fbcf4f6b4d3e