commit 1e5b10a21780e09d9f7c762edffbdee4565af52c
author Tiger Huang <tigerhuang@google.com> Mon Jul 30 20:19:51 2018 +0800
committer Tiger Huang <tigerhuang@google.com> Thu Oct 04 01:05:49 2018 +0800
tree f8915efa5546a5ed71524e24b8d4d463cc99ca8e
parent 4af85a3e826cceb647216b755056972f49632ba3

Track focus changes on external displays (2/4)

Let each DisplayContent has its own focused window and focused app.
This change also moves the last tapped display to the top.

Test: atest ActivityManagerMultiDisplayTests
            ActivityStackSupervisorTests
            ActivityStackTests
            CtsWindowManagerDeviceTestCases
            DisplayContentTests
            PointerCaptureTest
Bug: 111361570
Change-Id: I776cabaeaf41ff4240f504fb1430d3e40892023d