Solve not being able to unlock if keyguard is showing

Conflicts:
	pebble-locker-android/pebblelocker/src/main/java/com/lukekorth/pebblelocker/Locker.java
Use FileProvider instead of writing log file to external storage for emailing
Update Google Play Services
Disable receiver export and ignore lint warnings
Remove GUI password prompt for build signing
Fix SecurityException when providing log file to other apps
Revert "Update Google Play Services"

This reverts commit fb92c6a2ac1d5f8b5c681552ff70594a01f2ba82.
Update Google Play Services
Bump version for release
Rename device admin reciever; request additional device admin permissions in order to remove minimum restrictions on passwords