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

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https://hg.mozilla.org/integration/gaia-central/rev/a0ddf3a642b7
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #18741 from RudyLu/keyboard/Bug985331-longpress_dismiss_keyboard

Bug 985331 - [Keyboard UX update][User Story] Long press spacebar to
r=timdream.

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https://hg.mozilla.org/integration/gaia-central/rev/665195e10756
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 985331 - [Keyboard UX update][User Story] Long press spacebar to
dismiss keyboard.
 - Remove the swipe-to-dimiss feature and tutorial screen.
 - Add integration test for keyboard dimiss.

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https://hg.mozilla.org/integration/gaia-central/rev/231edadfc325
Author: Carmen Jiménez <cjc@tid.es>
Desc: Merge pull request #18187 from mcjimenez/bug923452

Bug 923452 - SV: Maximum length of SMS to convert to MMS customization by SIM

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https://hg.mozilla.org/integration/gaia-central/rev/01c009282c0d
Author: Carmen Jimenez Cabezas <cjc@tid.es>
Desc: Bug 923452 - SV: Maximum length of SMS to convert to MMS customization by SIM
Bumping manifests a=b2g-bump