Filter out Android header files from gyp targets for non-Android platforms.

Filter out Android header files from gyp targets for non-Android platforms.

This improves analyze.py so that it doesn't think that an Android header change should build/test non-Android targets.

BUG=455394
Committed: https://crrev.com/d9c2c62b9d8cafd29b3194816092eed6bde096b5
Cr-Commit-Position: refs/heads/master@{#315619}

[jam, 2015-02-10 01:44:21]

jam@chromium.org changed reviewers:
+ sievers@chromium.org

[no sievers, 2015-02-10 18:31:37]

lgtm!

[jam, 2015-02-10 18:45:20]

The CQ bit was checked by jam@chromium.org

[commit-bot: I haz the power, 2015-02-10 18:46:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/912663002/1

[commit-bot: I haz the power, 2015-02-10 19:48:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-10 19:49:16]

Patchset 1 (id:??) landed as
https://crrev.com/d9c2c62b9d8cafd29b3194816092eed6bde096b5
Cr-Commit-Position: refs/heads/master@{#315619}