tree bc0ef4eba19e4b35ce505bb83fc9a0199f529e9a
parent 9f11dd4b649af1b984824eda53a9d0d6227f1257
author Louis Chang <louischang@google.com> 1587026165 +0800
committer Louis Chang <louischang@google.com> 1587027969 +0800

Fix PinnedStackTests#testPinnedStackWithDockedStack

The split-screen-primary root task's windowing mode was
reset while moving a split-screen-primary task to
split-screen-primary windowing mode.

Avoid doing so if the task is already in split-screen-primary.

Bug: 153843333
Test: atest PinnedStackTests
Change-Id: I058ee89c42adc0ed0902c565ebda87fc60843179