tree 1aa2db116b65b6758f2c476824e5ff55163df002
parent f13d436c2e11cb0592f1f3e950e33989858fe81c
author Sunny Goyal <sunnygoyal@google.com> 1588721657 -0700
committer Sunny Goyal <sunnygoyal@google.com> 1589912044 +0000

Sending split screen stack change to Launcher whenever it changes,
instead of Launcher pulling it

Bug: 155816922
Test: Verified with Launcher changes
Change-Id: I45920f8730740c819c63878857c3b5acbe12097a