AppOps: don't make delay for permission dialog

Permission dialog is unclickable for 1 sec. To remove this delay
for better user experience.

Change-Id: I9dfc90c1fe5b057d4379a8acb05ac21b913b7360
Merge commit '91d9efd0fd842c0cc8c914f07cfd35c6ca2c4a1e' into android-4.4