Don't allow swipe into the film strip view when swipe is disabled

The swipe is supposed to be intercepted by FilmStripView, however, when the
children is not handling the scroll / fling gestures, FilmStripView will still
has to handle it.
In this case, we need to detect whether or not the swipe has been disabled.

bug:11234333
bug:11221594

Change-Id: I1d0fbac65050aef225fb880a41df735e98bf48db
adjust keyguard camera layout to make buttons match

by trial and error adjusted the bottom margins of the controls to make
transition to real camera layout seamless on the HH and N4.

Bug: 11236276
Change-Id: I707a5b0b94ac466c07b19c84473e444250cecf28
Show a preview cover until real preview is ready

Bug: 11211650
Change-Id: Ic4b26ef0f03eac0682e7be0d4bcb1c4632d85f39
Import translations. DO NOT MERGE

Change-Id: Ie510117ceb7dacad642d2fb87c81aa3aa0ff3e89
Auto-generated-cl: translation import
Import translations. DO NOT MERGE

Change-Id: I50a68a5ff367a08ae06bd84c83e1035b9fb0bdd5
Auto-generated-cl: translation import
Merge "Import translations. DO NOT MERGE" into klp-dev
am 3cdc6f0a: (-s ours) Merge "Import translations. DO NOT MERGE" into klp-dev

* commit '3cdc6f0aab59309eba73ada1319cf3fb75124ec9':
  Import translations. DO NOT MERGE
am 88b7b007: (-s ours) am 3cdc6f0a: (-s ours) Merge "Import translations. DO NOT MERGE" into klp-dev

* commit '88b7b0075b96d35c2aa7ad2aa3ea53480246ebe4':
  Import translations. DO NOT MERGE
Merge "Import translations. DO NOT MERGE" into gb-ub-photos-carlsbad
am 270b64e9: (-s ours) Merge "Import translations. DO NOT MERGE" into gb-ub-photos-carlsbad

* commit '270b64e950ce8bfd137398df83e8fcb2f9b0ce4d':
  Import translations. DO NOT MERGE
am a7d9bf6c: (-s ours) am 270b64e9: (-s ours) Merge "Import translations. DO NOT MERGE" into gb-ub-photos-carlsbad

* commit 'a7d9bf6cac9f8fa82aee368d2a3db8713b79cdea':
  Import translations. DO NOT MERGE
am c8e13e3f: (-s ours) am a7d9bf6c: (-s ours) am 270b64e9: (-s ours) Merge "Import translations. DO NOT MERGE" into gb-ub-photos-carlsbad

* commit 'c8e13e3f931a184071a2870f2f52a855ca177b42':
  Import translations. DO NOT MERGE
Merge "Don't allow swipe into the film strip view when swipe is disabled" into gb-ub-photos-carlsbad
am f149ec53: Merge "Don\'t allow swipe into the film strip view when swipe is disabled" into gb-ub-photos-carlsbad

* commit 'f149ec53a0fa3330617ce01751964662d3273c88':
  Don't allow swipe into the film strip view when swipe is disabled
Merge "Show a preview cover until real preview is ready" into gb-ub-photos-carlsbad
am b1c2d554: am f149ec53: Merge "Don\'t allow swipe into the film strip view when swipe is disabled" into gb-ub-photos-carlsbad

* commit 'b1c2d5544ae5c4ba2f3e3fe7e8baf357581cfbed':
  Don't allow swipe into the film strip view when swipe is disabled
am 8470cae9: Merge "Show a preview cover until real preview is ready" into gb-ub-photos-carlsbad

* commit '8470cae9049959ee6bb28cde1c53185f2ffd10a1':
  Show a preview cover until real preview is ready
am 0e0fa5f8: am b1c2d554: am f149ec53: Merge "Don\'t allow swipe into the film strip view when swipe is disabled" into gb-ub-photos-carlsbad

* commit '0e0fa5f8e084ccb75dde42350056728bd6081f23':
  Don't allow swipe into the film strip view when swipe is disabled
am 9ff2635a: am 8470cae9: Merge "Show a preview cover until real preview is ready" into gb-ub-photos-carlsbad

* commit '9ff2635aaad021813484fd32491c5d41e9e21a20':
  Show a preview cover until real preview is ready
am b8475d8c: am 9ff2635a: am 8470cae9: Merge "Show a preview cover until real preview is ready" into gb-ub-photos-carlsbad

* commit 'b8475d8c5278df0be616bbd8aafaea4a47032409':
  Show a preview cover until real preview is ready