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

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https://hg.mozilla.org/integration/gaia-central/rev/bfb7fa27e972
Author: Germán Toro del Valle <gtorodelvalle@gmail.com>
Desc: Merge pull request #18984 from gtorodelvalle/calllog-bug-1002491-no-entries-scenario

Bug 1002491 - Regression. No entries scenario is badly layed out.

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https://hg.mozilla.org/integration/gaia-central/rev/9bd93bf07da7
Author: German Toro del Valle <gtorodelvalle@gmail.com>
Desc: Bug 1002491 - Regression. No entries scenario is badly layed out.

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https://hg.mozilla.org/integration/gaia-central/rev/3ebd339889a7
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #18944 from kamituel/Bug_1005886

Bug 1005886: encodeHandoverSelect() fixes and unit tests

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https://hg.mozilla.org/integration/gaia-central/rev/fb62f5672b05
Author: Kamil Leszczuk <kamituel@gmail.com>
Desc: encodeHandoverSelect() validates CPS, supports bluetooth name in EIR data and have unit tests.
Bumping manifests a=b2g-bump