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

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https://hg.mozilla.org/integration/gaia-central/rev/d5782dc227ea
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #24655 from albertopq/1072728-stk-soft-button

Bug 1072728 -  Truncated STK with soft-button r=frsela

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https://hg.mozilla.org/integration/gaia-central/rev/3c05e758fb7e
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1072728 -  Truncated STK with soft-button r=frsela
Bumping manifests a=b2g-bump