Set newOneHandedSettingsObserver() defaut value 0 to prevent
blocking swipe-down notification's OneHandedModeInputConsumer
.onStartGestureDetected() when device first booting.
Bug: 175084985
Test: rebuild ROM image and manual
Change-Id: I5fe7d4036ac74682ae72cf210e8b40c63ceb53e1
Handling swipe-down/swipe-up gestural in device bottom area
for one-handed mode
1) The regsion is larger than gesture navigationbar view
2) One handed gestural in quickstep only active on NO_BUTTON, TWO_BUTTONS mode
3) One handed gestural only support on portrait mode
Bug: 150747547
Bug: 154189137
Bug: 156988988
Test: make and install
Test: manual enable one handed mode and swipe down to trigger
Test: manual start one handed and rotate device
Change-Id: I7b2447bfb2fe4082c95176b62934b98077b84920
Jason Chang
Jerry Chang
Tony Huang
Sunny Goyal