Currently cached widget are retained in LauncherWidgetHolder which is
released when Launcher activity is recreated. This CL moves the cached
widget into LauncherAppState to keep the cache alive.
Bug: 268189435
Test: steps below
1. Add multiple widgets (Calendar / Weather ... e.t.c) to Home Screen
2. Open Google Map, start navigation to any place
3. Google Map enters navigation mode and changes resolution
4. Swipe up to exit Google Map and go to Home Screen
5. Verify you don't see deferred widget host view.
Change-Id: I8b56167313780cd1be2a5da88517114acc6d44af
Maintaing a list of pending updates while the host
is not listening, so that these can be applied when
host starts listening again
Bug: 267351283
Test: Manual
Change-Id: I38423862a3461724b36f17ffe44e44c55fee06de
Fix: 235358918
Test: Manual
1. Rebooted the device and verified that widgets are still updating properly
2. Changed the theme from dark to daylight, then from daylight back to dark and verified that widgets are working
3. Kept the device on for several days and verified that widgets are still updating
4. Turn on auto-rotate for the launcher, open any app then exit, verified that widgets will not vanish and reappear
5. Add & remove widgets from the screen, added widgets are still updating
Change-Id: I98ee902f7d16b47bd77626201a4fefc897ba17a0
Pinyao Ting
Sihua Ma
Sunny Goyal