Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/5f5d70eda06a
Author: BavarianTomcat <tomcat@mozilla.com>
Desc: Revert "Bug 1069879 - Only three dots shown when entering passcode" for gaia unit test failures

This reverts commit 3b99f2d2a05dd78d85779e36a16af0b6d59a9847.
Bumping manifests a=b2g-bump