tree ccb1b6b0784626e6181d8149a6ae65e53ed0fd46
parent 6d5bdf293d399d9986179ae0987e4e058a27e324
author Garfield Tan <xutan@google.com> 1529969361 -0700
committer Garfield Tan <xutan@google.com> 1530046388 +0000

Preserve other windows during resize as well.

Before this change if user resizes a window that has a dialog activity
in the front, and a paused activity in its back, the paused activity
will be completely torn down and relaunched, causing a whole period of
black window showing to users.

Bug: 110716902
Test: The activity stopped flickering and go/wm-smoke.

Change-Id: I0dfe6a9c3d925a365a1a3beaa5841e1606220ac2