Bumping gaia.json for 5 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/630bb824fa4b
Author: BavarianTomcat <tomcat@mozilla.com>
Desc: Revert "Bug 1020847 - Add handwriting IME for Simplified Chinese" for bustage

This reverts commit ea2468adc273680f012ffe82496e4704ae4ceef4.

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https://hg.mozilla.org/integration/gaia-central/rev/d9ac7cc17237
Author: Eli Perelman <eli@eliperelman.com>
Desc: Merge pull request #25683 from eliperelman/bug-1091990

Bug 1091990 - Adding temporary User Timing API shim r=lightsofapollo

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https://hg.mozilla.org/integration/gaia-central/rev/f40eff554349
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1091990 - Adding temporary User Timing API shim

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https://hg.mozilla.org/integration/gaia-central/rev/771c83da243b
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #25660 from albertopq/1091484-fix-tests

Bug 1091484 - Fixing intermitent tests failure with swiping notifications r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/f50359b0eb28
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1091484 - Fixing intermitent tests failure with swiping notifications
Bumping manifests a=b2g-bump