AutoRevokeTest: do click on "Allow" button

With the new Permissions UI on the Wear devices, we do need to click on
the "Allow" button to move forward.

Bug: 191714856
Test: atest
android.os.cts.AutoRevokeTest#testInstallGrants_notRevokedImmediately

Change-Id: I9e8377630c681e2bbdd3a9807341f5334eb55428
1 file changed