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

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https://hg.mozilla.org/integration/gaia-central/rev/b32036d21794
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Merge pull request #16994 from mikehenrty/bug-979624-connecting

Bug 979624 - [B2G][Dialer][All languages] Performing a call while in a c..., r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/5245445d057c
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Bug 979624 - [B2G][Dialer][All languages] Performing a call while in a call wil cause the contacts name to overlap the "connecting" text
Bumping manifests a=b2g-bump