Revert of [Andorid] ClipDrawable progress bar experiment.

Revert of [Andorid] ClipDrawable progress bar experiment. (patchset #2 id:20001 of https://codereview.chromium.org/960733002/)

Reason for revert:
Although ClipDrawableProgressBar showed some perf improvement on blink_perf.svg, it didn't show any meaningful difference on page_cycler.top_10_mobile test.

Original issue's description:
> [Andorid] ClipDrawable progress bar experiment.
>
> Recently it was discovered that ClipDrawable is much faster than our
> default ToolbarProgressBar on content shell.
>
> So we plan to experiment with ClipDrawable based progress bar
> implementation.
>
> BUG=455891
>
> Committed: https://crrev.com/b13144e2f2b4ac80f81cee8ce4d4c7f4831b625e
> Cr-Commit-Position: refs/heads/master@{#318292}

TBR=dtrainor@chromium.org,jaekyun@chromium.org
NOPRESUBMIT=false
NOTREECHECKS=false
NOTRY=false
BUG=455891
Committed: https://crrev.com/2bdff99f3766d74ee9223125270599b5fe7000ed
Cr-Commit-Position: refs/heads/master@{#319777}

[Kibeom Kim (inactive), 2015-03-09 20:50:58]

Created Revert of [Andorid] ClipDrawable progress bar experiment.

[Kibeom Kim (inactive), 2015-03-09 20:51:28]

The CQ bit was checked by kkimlabs@chromium.org

[Kibeom Kim (inactive), 2015-03-09 20:51:29]

The CQ bit was unchecked by kkimlabs@chromium.org

[Kibeom Kim (inactive), 2015-03-09 21:00:39]

The CQ bit was checked by kkimlabs@chromium.org

[commit-bot: I haz the power, 2015-03-09 21:01:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/994753002/1

[commit-bot: I haz the power, 2015-03-09 22:13:12]

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

[commit-bot: I haz the power, 2015-03-09 22:13:13]

Try jobs failed on following builders:
  android_compile_rel on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/android_compile...)

[David Trainor- moved to gerrit, 2015-03-09 22:44:05]

lgtm

[Kibeom Kim (inactive), 2015-03-09 22:59:58]

The CQ bit was checked by kkimlabs@chromium.org

[Kibeom Kim (inactive), 2015-03-09 22:59:59]

The patchset sent to the CQ was uploaded after l-g-t-m from
dtrainor@chromium.org
Link to the patchset: https://codereview.chromium.org/994753002/#ps180001
(title: "Add progress_bar.xml back which was removed in
https://codereview.chromium.org/971223004")

[commit-bot: I haz the power, 2015-03-09 23:01:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/994753002/180001

[commit-bot: I haz the power, 2015-03-09 23:54:58]

Committed patchset #2 (id:180001)

[commit-bot: I haz the power, 2015-03-09 23:56:11]

Patchset 2 (id:??) landed as
https://crrev.com/2bdff99f3766d74ee9223125270599b5fe7000ed
Cr-Commit-Position: refs/heads/master@{#319777}