[Android] Fix a crash when clickable view ids is sent as null in CCT

[Android] Fix a crash when clickable view ids is sent as null in CCT

We were calling clone() on a potentially null object, which caused
crashes.

BUG=645426
Review-Url: https://codereview.chromium.org/2654313003
Cr-Commit-Position: refs/heads/master@{#446446}
Committed: https://chromium.googlesource.com/chromium/src/+/a90bb521817edb51ac6c5643d15dc175a6ef5adc

[Ian Wen, 2017-01-26 19:46:05]

ianwen@chromium.org changed reviewers:
+ yusufo@chromium.org

[Ian Wen, 2017-01-26 19:46:05]

PTAL

[Ian Wen, 2017-01-26 19:46:10]

The CQ bit was checked by ianwen@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-01-26 19:46:55]

Dry run: 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, 2017-01-26 20:30:30]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-01-26 20:30:31]

Dry run: This issue passed the CQ dry run.

[Yusuf, 2017-01-26 20:47:09]

lgtm

[Ian Wen, 2017-01-26 21:02:15]

The CQ bit was checked by ianwen@chromium.org

[commit-bot: I haz the power, 2017-01-26 21:02:50]

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, 2017-01-26 21:08:35]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485464535262980, "parent_rev":
"ffbe56aa8a82dd68bba0912cfb6b944415ed5fd6", "commit_rev":
"a90bb521817edb51ac6c5643d15dc175a6ef5adc"}

[commit-bot: I haz the power, 2017-01-26 21:09:10]

Description was changed from

==========
[Android] Fix a crash when clickable view ids is sent as null in CCT

We were calling clone() on a potentially null object, which caused
crashes.

BUG=645426
==========

to

==========
[Android] Fix a crash when clickable view ids is sent as null in CCT

We were calling clone() on a potentially null object, which caused
crashes.

BUG=645426

Review-Url: https://codereview.chromium.org/2654313003
Cr-Commit-Position: refs/heads/master@{#446446}
Committed:
https://chromium.googlesource.com/chromium/src/+/a90bb521817edb51ac6c5643d15d...
==========

[commit-bot: I haz the power, 2017-01-26 21:09:11]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/a90bb521817edb51ac6c5643d15d...