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

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https://hg.mozilla.org/integration/gaia-central/rev/2c66d42bf145
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #21248 from DouglasSherk/1032502-callscreen-phone-label

Bug 1032502 - [Dialer][Contacts][Callscreen] Fix phone type label not being localized on callscreen. r=francisco

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https://hg.mozilla.org/integration/gaia-central/rev/336e98ecf529
Author: DouglasSherk <github@sherk.me>
Desc: Bug 1032502 - [Dialer][Contacts][Callscreen] Fix phone type label not being localized on callscreen. r=francisco
Bumping manifests a=b2g-bump