[2/2] Add lockscreen rotation as an optional rotation setting

Taken fom:

http://review.cyanogenmod.org/#/c/55016/

PS8
respect system config as default value

Change-Id: Icfd4344ffaf6987fe51b2a28df47593d9b3b3c0c
Base: Location tile update

Don't collapse if location is changed to high accuracy
It only asks for confirmation when changing from device
mode to battery mode.

Change-Id: I2f22bcaa4a886ccf29b43673c26ebcdb0a8f21d3
Base: fix MultiSelectListPreference NPE

Error AndroidRuntime 25851  Caused by: java.lang.NullPointerException
Error AndroidRuntime 25851         at android.preference.MultiSelectListPreference.onGetDefaultValue(MultiSelectListPreference.java:212)
Error AndroidRuntime 25851         at android.preference.Preference.<init>(Preference.java:268)
Error AndroidRuntime 25851         at android.preference.DialogPreference.<init>(DialogPreference.java:69)
Error AndroidRuntime 25851         at android.preference.DialogPreference.<init>(DialogPreference.java:90)
Error AndroidRuntime 25851         at android.preference.MultiSelectListPreference.<init>

also Cleanup whitespace :/

Change-Id: I3f0a1fba8f6651522e4f0c4e4750b2ce0042314f
Merge branch 'android-4.4' of https://github.com/omnirom/android_frameworks_base into android-4.4