Reland of md5check'ify lint.py

Reland: md5check'ify lint.py

When locally building chrome_public_apk_incremental and making a
non-public change to a content_java file, this brings ninja time:

24s -> 7s

BUG=None
TBR=jbudorick

Committed: https://crrev.com/db14f77f9542e237ce08166d587a5b7d948d091c
Cr-Commit-Position: refs/heads/master@{#377758}

[agrieve, 2016-02-25 19:57:21]

Created Reland of md5check'ify lint.py

[agrieve, 2016-02-25 20:01:09]

Description was changed from

==========
Reland of md5check'ify lint.py (patchset #1 id:1 of
https://codereview.chromium.org/1739903002/ )

Reason for revert:
will fix

Original issue's description:
> Revert of md5check'ify lint.py (patchset #2 id:20001 of
https://codereview.chromium.org/1730143003/ )
> 
> Reason for revert:
> Breaking bots.
> 
> Original issue's description:
> > md5check'ify lint.py
> > 
> > When locally building chrome_public_apk_incremental and making a
> > non-public change to a content_java file, this brings ninja time:
> > 
> > 24s -> 7s
> > 
> > BUG=None
> > 
> > Committed: https://crrev.com/b84f70aeb94075c8f6ec85a8211b231a9125ba41
> > Cr-Commit-Position: refs/heads/master@{#377614}
> 
> TBR=jbudorick@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=None

TBR=jbudorick@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None
==========

to

==========
Reland: md5check'ify lint.py

When locally building chrome_public_apk_incremental and making a
non-public change to a content_java file, this brings ninja time:

24s -> 7s

BUG=None
TBR=jbudorick
==========

[agrieve, 2016-02-25 20:01:28]

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

[commit-bot: I haz the power, 2016-02-25 20:03:21]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1733893003/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1733893003/40001

[commit-bot: I haz the power, 2016-02-25 21:27:21]

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

[commit-bot: I haz the power, 2016-02-25 21:27:22]

Dry run: This issue passed the CQ dry run.

[agrieve, 2016-02-26 01:18:41]

The CQ bit was checked by agrieve@chromium.org

[commit-bot: I haz the power, 2016-02-26 01:19:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1733893003/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1733893003/40001

[commit-bot: I haz the power, 2016-02-26 01:31:53]

Description was changed from

==========
Reland: md5check'ify lint.py

When locally building chrome_public_apk_incremental and making a
non-public change to a content_java file, this brings ninja time:

24s -> 7s

BUG=None
TBR=jbudorick
==========

to

==========
Reland: md5check'ify lint.py

When locally building chrome_public_apk_incremental and making a
non-public change to a content_java file, this brings ninja time:

24s -> 7s

BUG=None
TBR=jbudorick
==========

[commit-bot: I haz the power, 2016-02-26 01:31:54]

Committed patchset #2 (id:40001)

[commit-bot: I haz the power, 2016-02-26 01:34:35]

Description was changed from

==========
Reland: md5check'ify lint.py

When locally building chrome_public_apk_incremental and making a
non-public change to a content_java file, this brings ninja time:

24s -> 7s

BUG=None
TBR=jbudorick
==========

to

==========
Reland: md5check'ify lint.py

When locally building chrome_public_apk_incremental and making a
non-public change to a content_java file, this brings ninja time:

24s -> 7s

BUG=None
TBR=jbudorick

Committed: https://crrev.com/db14f77f9542e237ce08166d587a5b7d948d091c
Cr-Commit-Position: refs/heads/master@{#377758}
==========

[commit-bot: I haz the power, 2016-02-26 01:34:37]

Patchset 2 (id:??) landed as
https://crrev.com/db14f77f9542e237ce08166d587a5b7d948d091c
Cr-Commit-Position: refs/heads/master@{#377758}