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

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https://hg.mozilla.org/integration/gaia-central/rev/46e03ebf77c3
Author: evanxd <itoyxd@gmail.com>
Desc: Merge pull request #19272 from RudyLu/keyboard/Bug1010734

Bug 1010734 - use switchToFrame when switching to keyboard frame.

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https://hg.mozilla.org/integration/gaia-central/rev/23a451d1da44
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1010734 - use switchToFrame when switching to keyboard frame.
Bumping manifests a=b2g-bump