Jorim Jaggi 42befc64c4 Use splashscreen if we can't fill horizontaly with snapshot
A gap at the right side of the snapshot looks pretty bad. Thus,
we use a splash screen in case there would be a gap on the right
side. However, we don't want to do this from recents as we'd
produce another flicker

Test: go/wm-smoke
Test: Open app portrait, go launcher, rotate, open app landscape
Test: Open app landscape, go launcher rotate, open app portrait
Fixes: 62094756
Change-Id: Iaf1fecced822685187477a4698fa6b67c6e485d7
2017-06-14 18:34:37 -07:00
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