Screenrecord: Create the Screenshots directory if it doesn't exist

Change-Id: I2b0458eed024dbda97e9e1ea3426c12d29add781
base: screenrecord: update notification

Update show/hide pointer button for actual state

Change-Id: I02090f05b06896248483f3f9ff2eb22924a22476

Conflicts:
	packages/SystemUI/src/com/android/systemui/omni/screenrecord/TakeScreenrecordService.java
Fixed a derp on ScreenRecord merge
[1/2] Add sideselection for quick pulldown