make switch to last app animation snappier

Change-Id: Ia253a3db45109da7dd4f7a2467184d81c04918b4
BootReceiver: Skip subdirectories inside tombstones scan

Properly handle (vendor-specific) subdirs under tombstones
directory by skipping over them.

CRs-Fixed: 407529
Change-Id: I0cecd9fa629fad35d62d508ddaf13968c2e46f93
Signed-off-by: houst0nn <houstonn@gmail.com>
bug fix possible NPE while startProcessLocked()

In case, process doesn't create well while startingProcessLocked().
There is possibility to make NPE.
Setting app's crash handler needs to be assigned after null check routine.

Change-Id: I67fb6427f72d93f79fed36eb44c47d37eafdac31

(cherry picked from commit 09014bed2dd9cfa62ee37dd8f0ce28ee2cc6b72f)
Try to set long click

fix

fix

fix
test