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

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https://hg.mozilla.org/integration/gaia-1_4/rev/84e26e78fb62
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #20545 from crh0716/997601_v1.4

Bug 997601 - Save the caller id preferece across reboots

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https://hg.mozilla.org/integration/gaia-1_4/rev/19dbd223185d
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 997601 - Save the caller id preferece across reboots
Bumping manifests a=b2g-bump