Rotate frames according to camera orientation

Rotate frames according to camera orientation

Camera orientation information is available in
camera_characteristics.conf file. When rotating frames, we should
consider both the display rotation and the camera orientation in the
config file.

BUG=684375, chrome-os-partner:61414
TEST=On reef, verify that back camera shows correct preview when in
tablet mode.

Review-Url: https://codereview.chromium.org/2648743002
Cr-Commit-Position: refs/heads/master@{#446285}
(cherry picked from commit 306b9e55cc83f18e30023e1af00f2f7abc649c6e)

Review-Url: https://codereview.chromium.org/2669513002 .
Cr-Commit-Position: refs/branch-heads/2987@{#213}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/b460ef356c93f5784599315d097b3e557bd4ab23

[wuchengli, 2017-01-31 03:02:09]

Description was changed from

==========
Rotate frames according to camera orientation

Camera orientation information is available in
camera_characteristics.conf file. When rotating frames, we should
consider both the display rotation and the camera orientation in the
config file.

BUG=684375, chrome-os-partner:61414
TEST=On reef, verify that back camera shows correct preview when in
tablet mode.

Review-Url: https://codereview.chromium.org/2648743002
Cr-Commit-Position: refs/heads/master@{#446285}
(cherry picked from commit 306b9e55cc83f18e30023e1af00f2f7abc649c6e)
==========

to

==========
Rotate frames according to camera orientation

Camera orientation information is available in
camera_characteristics.conf file. When rotating frames, we should
consider both the display rotation and the camera orientation in the
config file.

BUG=684375, chrome-os-partner:61414
TEST=On reef, verify that back camera shows correct preview when in
tablet mode.

Review-Url: https://codereview.chromium.org/2648743002
Cr-Commit-Position: refs/heads/master@{#446285}
(cherry picked from commit 306b9e55cc83f18e30023e1af00f2f7abc649c6e)

Review-Url: https://codereview.chromium.org/2669513002 .
Cr-Commit-Position: refs/branch-heads/2987@{#213}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/b460ef356c93f5784599315d097b...
==========

[wuchengli, 2017-01-31 03:02:15]

Committed patchset #1 (id:1) manually as
b460ef356c93f5784599315d097b3e557bd4ab23.