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

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https://hg.mozilla.org/integration/gaia-central/rev/c1c366c0da96
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #24792 from KevinGrandon/bug_971469_system2_instantiable_battery_manager

Bug 971469 - [System2] Instantiable BatteryOverlay

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https://hg.mozilla.org/integration/gaia-central/rev/85434981c8e2
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 971469 - [System2] Instantiable BatteryManager r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/f887803f5ebb
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #24910 from davidflanagan/bug1063658

Bug 1063658: workaround memory-backed blob bug 1079546 by ensuring that ... r=asuth,pdahiya

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https://hg.mozilla.org/integration/gaia-central/rev/dfece0f292c0
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 1063658: workaround memory-backed blob bug 1079546 by ensuring that pick and share activities always use files
Bumping manifests a=b2g-bump