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

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https://hg.mozilla.org/integration/gaia-central/rev/2b9edcc177a8
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #23945 from RudyLu/keyboard/Bug1065922

Bug 1065922 - Pinyin and Zhuyin layout have duplicate period keys in its alternative char menu.
r=timdream.

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https://hg.mozilla.org/integration/gaia-central/rev/054babb606d1
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1065922 - Pinyin and Zhuyin layout have duplicate period keys in its
alternative char menu.
 - Remove redundant period symbol from the alternative char menu.
Bumping manifests a=b2g-bump