Sending broadcast message when home screen is ready.

There is a lag between Pixel/Phone is starting message is displayed and when the home screen is actually ready. The lag is visible in low-end devices like JioPhone Next. To solve that a broadcast message is sent from QuickstepLauncher class when the UI is ready.

Bug: 199120420
Test: manual - tested on the device

Change-Id: I18628552a1513454127ef2f8ad5acd711d9015e6
1 file changed