Bumping gaia.json for 5 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/5e7ec76589fe
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #16140 from zacc/bug_970272

Bug 970272 - Wait for ready event before Persona signin a=testonly r=jed...

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https://hg.mozilla.org/integration/gaia-central/rev/8e09547e4a33
Author: Zac Campbell <zcampbell@mozilla.com>
Desc: Bug 970272 - Wait for ready event before Persona signin a=testonly r=jedp

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https://hg.mozilla.org/integration/gaia-central/rev/679ee8bd879f
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Revert "Merge pull request #16111 from crh0716/958736"

This reverts commit 31ece334c849d332e1c6053b22789bb9bd7b6a2f, reversing
changes made to bbe0fd0ca135d089b662975eeced57530ebb7554.

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https://hg.mozilla.org/integration/gaia-central/rev/7e1c3e1784ad
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #16170 from comoyo/litanuan

Bug 939991 - Add Lithuanian keyboard layout. r=janjongboom

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https://hg.mozilla.org/integration/gaia-central/rev/f20e468f5e18
Author: Rimas Kudelis <rq@akl.lt>
Desc: Bug 939991 - Add Lithuanian keyboard layout
Bumping manifests a=b2g-bump