Merging ub-launcher3-qt-dev, build 5508646

Test: Manual

Bug:112934365 [STOP SHIP BUG] Sysui Navigation Bar Prototype Tracking Bug:114136250 Have a more spartan RecentsActivity on android go Bug:118758133 Add logging to track undo box usage Bug:119992316 Widget screen won't close when tapping back or home button Bug:128857973 With dark display and black accent device theme, App list header not visible on all apps screen. Bug:129279637 [Logging] Long press|tap on app icon from Task should be logged Bug:129497226 Remove setInteractionState from the contract Bug:129723135 Broken tests: swipe from killed launcher doesn't open overview Bug:129806241 [a11y][Qt] Remove an app icon in Home screen, the popup "Item removed" with UNDO doesn't follow the settings of Time to take action. Bug:129985827 [Fully Gestural Navigation] Delay Recents animation when swiping up Bug:130851537 Recents and notification shelf both became nonresponsive after I "palmed" the screen while it was on. Bug:131095241 Recents Go should support landscape app => landscape thumbnail transition Bug:131303610 Backedup shortcut icons are not badged Bug:131339235 Don't layout empty task views if we have the real content Bug:131364673 [Failing test] FallbackRecentsTest
Change-Id: I04018e14bd6d9ba77005e72fe20f4a3ede886abf