Correct padding for status bar icons

4dp is used in AOSP.

Change-Id: I7f97cb9feabe267c67722d600d0891ab2ce1a907
Hide InputDevice.SOURCE_GESTURE_SENSOR from API

Change-Id: If009e9595fc593594b0e7764669996de137483a1
Merge "Correct padding for status bar icons" into cm-10.2
Merge branch 'cm-10.2' of git://github.com/CyanogenMod/android_frameworks_base into cm-10.2