Revert "Revert "Android: Store language .pak files in res/raw rather than assets""

Revert "Revert "Android: Store language .pak files in res/raw rather than assets""

This reverts commit bd0057ca4ca5990173e099f5cdd5219c6ed72fd5.
Also adds a "setMandatoryPaksToExtract" overload to prevent breakage.

BUG=371610
TBR=Yaron, Torne, cjhopman, Jaekyun Seok, James Hawkins, gunsch, newt

Committed: https://crrev.com/1e54fed611ebeef569a3c452f744ed53ae341991
Cr-Commit-Position: refs/heads/master@{#335538}

[agrieve, 2015-06-22 17:39:27]

agrieve@chromium.org changed reviewers:
+ cjhopman@chromium.org, gunsch@chromium.org, jaekyun@chromium.org,
jhawkins@chromium.org, newt@chromium.org, torne@chromium.org,
yfriedman@chromium.org

[agrieve, 2015-06-22 17:39:27]

TBR'ing a re-land with a setMandatoryPaksToExtract() overload to not break
webview

[agrieve, 2015-06-22 17:47:19]

The CQ bit was checked by agrieve@chromium.org

[commit-bot: I haz the power, 2015-06-22 17:48:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1198193006/1

[commit-bot: I haz the power, 2015-06-22 17:48:18]

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

[commit-bot: I haz the power, 2015-06-22 17:48:19]

No L-G-T-M from a valid reviewer yet. Only full committers are accepted.
Even if an L-G-T-M may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[gunsch, 2015-06-22 17:49:28]

can you fix the bug number?

(otherwise, rs lgtm for the reland)

[agrieve, 2015-06-22 17:54:46]

On 2015/06/22 17:49:28, gunsch wrote:
> can you fix the bug number?
> 
> (otherwise, rs lgtm for the reland)

thanks! fixed.

[agrieve, 2015-06-22 17:55:05]

The CQ bit was checked by agrieve@chromium.org

[commit-bot: I haz the power, 2015-06-22 17:55:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1198193006/1

[commit-bot: I haz the power, 2015-06-22 19:02:02]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-22 19:03:02]

Patchset 1 (id:??) landed as
https://crrev.com/1e54fed611ebeef569a3c452f744ed53ae341991
Cr-Commit-Position: refs/heads/master@{#335538}