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

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https://hg.mozilla.org/integration/gaia-central/rev/ea19ffe0de2c
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #20932 from zacc/bug_1026424_keypad

Bug 1026424 - Keypad app object, remove explicit frame switching where a...

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https://hg.mozilla.org/integration/gaia-central/rev/4fcc79a9a9e9
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 1026424 - Keypad app object, remove explicit frame switching where activityWindow is used
Bumping manifests a=b2g-bump