Merging ub-launcher3-qt-r1-dev, build 5782058

Test: Manual

Bug:132455160 P1 [Gesture Nav] Home to Overview Transition Improvement
Bug:133472746 P1 "Now playing History" widget can't be added to desired area.
Bug:135558924 P4 Pixel Launcher app crash after applying custom Style
Bug:136282913 P1 Swipe up from Assistant Fulfillment Card Jank
Bug:136591785 P2 Tune swipe up to home animation
Bug:138117089 P1 Random misses in GL comp on Pixel 3a/XL
Bug:138609751 P2 Trying to start an app before it was downloaded caused pixel launcher crash
Bug:138620399 P1 Quick switch flicker / artifacts
Bug:138646754 P4 Switching from 3-button to gesture nav - all apps disappeared
Bug:138793362 P4 With animation disabled, Launcher crashing on docking apps in split screen from overview screen.
Change-Id: I4f3b286ae79566fd53072df621be98646d0457d7