histograms.xml: add forgotten kCodecHEVC in enumeration

histograms.xml: add forgotten kCodecHEVC in enumeration

This CL adds it because it's in [1] but not in [2]

[1] https://cs.chromium.org/chromium/src/media/base/video_codecs.h?q=kCodecHEVC&sq=package:chromium&l=27&dr=CSs
[2] https://cs.chromium.org/chromium/src/tools/metrics/histograms/histograms.xml?q=histograms.xml+kCodecVP9&sq=package:chromium&dr=C&l=98435

Committed: https://crrev.com/462637138220ceab6630e5d65044aa8f5acb848b
Cr-Commit-Position: refs/heads/master@{#419223}

[mcasas, 2016-09-16 04:00:28]

mcasas@chromium.org changed reviewers:
+ dalecurtis@chromium.org, rkaplow@chromium.org

[mcasas, 2016-09-16 04:00:29]

rkaplow@/dalecurtis@ PTAL 

(stumbled upon this during crrev/2318013003)

[rkaplow, 2016-09-16 13:54:40]

lgtm

[DaleCurtis, 2016-09-16 17:22:17]

Thanks! lgtm

[mcasas, 2016-09-16 17:38:59]

The CQ bit was checked by mcasas@chromium.org

[commit-bot: I haz the power, 2016-09-16 17:39:25]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-16 18:30:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-16 18:32:26]

Description was changed from

==========
histograms.xml: add forgotten kCodecHEVC in enumeration

This CL adds it because it's in [1] but not in [2]

[1]
https://cs.chromium.org/chromium/src/media/base/video_codecs.h?q=kCodecHEVC&s...
[2]
https://cs.chromium.org/chromium/src/tools/metrics/histograms/histograms.xml?...
==========

to

==========
histograms.xml: add forgotten kCodecHEVC in enumeration

This CL adds it because it's in [1] but not in [2]

[1]
https://cs.chromium.org/chromium/src/media/base/video_codecs.h?q=kCodecHEVC&s...
[2]
https://cs.chromium.org/chromium/src/tools/metrics/histograms/histograms.xml?...

Committed: https://crrev.com/462637138220ceab6630e5d65044aa8f5acb848b
Cr-Commit-Position: refs/heads/master@{#419223}
==========

[commit-bot: I haz the power, 2016-09-16 18:32:28]

Patchset 1 (id:??) landed as
https://crrev.com/462637138220ceab6630e5d65044aa8f5acb848b
Cr-Commit-Position: refs/heads/master@{#419223}