Keyguard: Make sure disabling Camera widget

This fixes the issue that Camera widget is enabled on non-camera devices
until users open up lockscreen settings

Change-Id: I599733f65ec31a16f8a8c5ee98a8a2ba6bc56c63
Automatic translation import

Change-Id: Icd2dcbc64cfdb867f03b2cb4931c176f54fd0173
appops: Fix WIFI_SCAN AppOp permission index

WIFI_SCAN and POST_NOTIFICATION permissions are inverted.

Change-Id: I97ebba0e118604294eb474143c53f7e7238dcb59
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>