Update patts docs to describe editing ebuild too

Update patts docs to describe editing ebuild too

BUG=none
NOTRY=true
TBR=dtseng@chromium.org

Review-Url: https://codereview.chromium.org/2726173002
Cr-Commit-Position: refs/heads/master@{#454190}
Committed: https://chromium.googlesource.com/chromium/src/+/e442e9bea66b9b9c2c4bba1113ba087fe41d1296

[dmazzoni, 2017-03-02 06:00:08]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2017-03-02 06:01:27]

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, 2017-03-02 06:08:12]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488434408445350, "parent_rev":
"130c60771ce2b0a3e6ef84046905a7f00fcdb2dd", "commit_rev":
"e442e9bea66b9b9c2c4bba1113ba087fe41d1296"}

[commit-bot: I haz the power, 2017-03-02 06:09:16]

Description was changed from

==========
Update patts docs to describe editing ebuild too

BUG=none
NOTRY=true
TBR=dtseng@chromium.org
==========

to

==========
Update patts docs to describe editing ebuild too

BUG=none
NOTRY=true
TBR=dtseng@chromium.org

Review-Url: https://codereview.chromium.org/2726173002
Cr-Commit-Position: refs/heads/master@{#454190}
Committed:
https://chromium.googlesource.com/chromium/src/+/e442e9bea66b9b9c2c4bba1113ba...
==========

[commit-bot: I haz the power, 2017-03-02 06:09:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/e442e9bea66b9b9c2c4bba1113ba...