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

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https://hg.mozilla.org/integration/gaia-central/rev/234c5fa54a1f
Author: Ian Liu <iliu@mozilla.com>
Desc: Merge pull request #21390 from ian-liu/bluetooth/bug1032069_Refactor_BT_app_to_make_it_embedable_from_Settings_app

Bug 1032069 - [Bluetooth] Refactor BT app to make it embed-able from Settings app, r=arthur

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https://hg.mozilla.org/integration/gaia-central/rev/6fb636717b11
Author: ian-liu <iliu@mozilla.com>
Desc: Bug 1032069 - [Bluetooth] Refactor BT app to make it embed-able from Settings app
Bumping manifests a=b2g-bump