Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/f03758a0397f
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #16513 from chirarobert/fix_language_issue

Bug 975386 - Fix intermitten failure for test_settings_change_keyboard_l...

========

https://hg.mozilla.org/integration/gaia-central/rev/353c315f223e
Author: chirarobert <robert.chira@softvision.ro>
Desc: Bug 975386 - Fix intermitten failure for test_settings_change_keyboard_language.pyFix for test_settings_change_keyboard_language.py.
Added a wait for the newly added keyboard to appear in the list.

Ran an adhoc with this test and it passed http://qa-selenium.mv.mozilla.com:8080/job/b2g.hamachi.mozilla-central.ui.adhoc/225/

========

https://hg.mozilla.org/integration/gaia-central/rev/fc18c478d9d8
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #16566 from zacc/bug_976009

Bug 976009 -  Address intermittent in test _unlock_to_passcode on Travis

========

https://hg.mozilla.org/integration/gaia-central/rev/767a071ca0d5
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: Bug 976009 -  Address intermittent in test _unlock_to_passcode on Travis
Bumping manifests a=b2g-bump