Fix an issue that some earlier android versions cannot handle file URI correctly

Fix an issue that some earlier android versions cannot handle file URI correctly

For File URI, some earlier android versions (<JB MR2) cannot handle it correctly
Convert it to absolute path fixes the issue.
For JB MR2 and above devices, we use content URI, so not affected.

BUG=423338
Committed: https://crrev.com/9602808d94fc9ff3f32fd064a4b0ec9bcf45542c
Cr-Commit-Position: refs/heads/master@{#299795}

[qinmin, 2014-10-15 18:34:01]

qinmin@chromium.org changed reviewers:
+ tedchoc@chromium.org

[qinmin, 2014-10-15 18:34:02]

PTAL

[Ted C, 2014-10-15 21:37:20]

lgtm

[qinmin, 2014-10-15 21:48:40]

The CQ bit was checked by qinmin@chromium.org

[commit-bot: I haz the power, 2014-10-15 21:50:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/655303002/1

[commit-bot: I haz the power, 2014-10-16 00:37:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-16 00:38:12]

Patchset 1 (id:??) landed as
https://crrev.com/9602808d94fc9ff3f32fd064a4b0ec9bcf45542c
Cr-Commit-Position: refs/heads/master@{#299795}