Switch quick settings drag to long click

PS2: Remove unused variables
PS3: Fix build

Change-Id: I441b7467127990f387d976132bffc8f881a55095

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsTileView.java

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsTileView.java