Update isLauncherInitialized check to wait until Launcher has stopped binding items

The current implementation of isLauncherInitialized allows TAPL tests to run while LoaderTask is still binding items. This can lead to interactions on a launcher that is not yet drawn/responsive.

Flag: N/A
Fixes: 313043156
Test: TaplAppIconMenuTest#testLaunchMenuItem
Change-Id: I4cb9276eb3852653517faa45be8517e659f39c00
1 file changed