Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/2bc0835fa473
Author: Johan Lorenzo <jlorenzo@mozilla.com>
Desc: Merge pull request #26073 from bebef1987/auto_on

Bug 1097088 - Write test Battery Turn on Automatically options

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https://hg.mozilla.org/integration/gaia-central/rev/fcb2aedab6d6
Author: bebef1987 <florin.strugariu@softvision.ro>
Desc: Bug 1097088 - Write test Battery Turn on Automatically options

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https://hg.mozilla.org/integration/gaia-central/rev/40ae98e858d2
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Merge pull request #26291 from chirarobert/bug_1096920

Bug 1096920 - Add test to delete entire call log when it has several cal...

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https://hg.mozilla.org/integration/gaia-central/rev/8a87bf40a887
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1096920 - Add test to delete entire call log when it has several calls, All tab
Bumping manifests a=b2g-bump