Cleaning up some enabled features

Flag: EXEMPT LEGACY
		CONTINUOUS_VIEW_TREE_CAPTURE
		ALL_APPS_GONE_VISIBILITY
		ENABLE_BACK_SWIPE_HOME_ANIMATION
		ENABLE_DYNAMIC_TASKBAR_THRESHOLDS
		PREEMPTIVE_UNFOLD_ANIMATION_START
		ENABLE_NEW_GESTURE_NAV_TUTORIAL
		ENABLE_ENFORCED_ROUNDED_CORNERS
		ENABLE_TRACKPAD_GESTURE
		ENABLE_KEYBOARD_QUICK_SWITCH
		ENABLE_KEYBOARD_TASKBAR_TOGGLE
		ENABLE_ALL_APPS_RV_PREINFLATION
Test: Presubmit
Bug: 270395171, 291651514, 270393426, 294252473,
     270397209, 270396257, 270393258, 271010401,
     270396844, 281726846, 288161355

Change-Id: I6ef1e12dfc2203a4cca8e91aa291485f1ff24c42