Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_4/rev/bbfa4077921a
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #18815 from chirarobert/v1.4_sms_dialer

Bug 983070 - [Message][UI Test] The received message should not causes m...

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https://hg.mozilla.org/integration/gaia-1_4/rev/5cc6fc3e42a1
Author: chirarobert <robert.chira@softvision.ro>
Desc: Bug 983070 - [Message][UI Test] The received message should not causes message thread to open in the thread list view.

uplift from master
Bumping manifests a=b2g-bump