Fix shelf alignment locking for power button.

Fix shelf alignment locking for power button.

Only lock the shelf once the lock animation starts.
(do not lock earlier, on the pre-lock animation start)
Add Alt-L (Lock) and Alt-P (Power) --ash-debug-shortcuts.

BUG=614042
TEST=Quickly tapping power/lock doesn't lock the shelf.
R=oshima@chromium.org

Review-Url: https://codereview.chromium.org/2013933002
Cr-Commit-Position: refs/heads/master@{#396599}
(cherry picked from commit dbd05211a0cbffa1bcd40888503c2cffeeb0d8ea)

Committed: https://chromium.googlesource.com/chromium/src/+/136633328b3c7b2f46be0fe238644191922a80b7

[msw, 2016-06-01 22:17:08]

Description was changed from

==========
Fix shelf alignment locking for power button.

Only lock the shelf once the lock animation starts.
(do not lock earlier, on the pre-lock animation start)
Add Alt-L (Lock) and Alt-P (Power) --ash-debug-shortcuts.

BUG=614042
TEST=Quickly tapping power/lock doesn't lock the shelf.
R=oshima@chromium.org

Review-Url: https://codereview.chromium.org/2013933002
Cr-Commit-Position: refs/heads/master@{#396599}
(cherry picked from commit dbd05211a0cbffa1bcd40888503c2cffeeb0d8ea)
==========

to

==========
Fix shelf alignment locking for power button.

Only lock the shelf once the lock animation starts.
(do not lock earlier, on the pre-lock animation start)
Add Alt-L (Lock) and Alt-P (Power) --ash-debug-shortcuts.

BUG=614042
TEST=Quickly tapping power/lock doesn't lock the shelf.
R=oshima@chromium.org

Review-Url: https://codereview.chromium.org/2013933002
Cr-Commit-Position: refs/heads/master@{#396599}
(cherry picked from commit dbd05211a0cbffa1bcd40888503c2cffeeb0d8ea)

Committed:
https://chromium.googlesource.com/chromium/src/+/136633328b3c7b2f46be0fe23864...
==========

[msw, 2016-06-01 22:17:09]

Committed patchset #1 (id:1) manually as
136633328b3c7b2f46be0fe238644191922a80b7.