Fix TabHost stealing focus on hardware keyboard keypress

Don't try to change focus at all on exit from touch mode. The old
behavior might have been useful for very old apps with a TabHost as
their primary UI, but that's not a modern app structure.

Bug: 21417491
Change-Id: I3db2ab42c90b6c82f23216244a8183c4290eb7d7
1 file changed