Bumping gaia.json for 6 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/f5c99e89aa0d
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #22546 from jrburke/bug1048539-email-drawer-pulldown-size

Bug 1048539 - [B2G][Email][Drawer] The account selecter pull-down is displayed improperly in the Drawer r=mcav

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https://hg.mozilla.org/integration/gaia-central/rev/14dfa39c77b5
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1048539 - [B2G][Email][Drawer] The account selecter pull-down is displayed improperly in the Drawer

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https://hg.mozilla.org/integration/gaia-central/rev/00ec6f4b6c94
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #22544 from jrburke/bug1048784-email-invalid-ok-full

Bug 1048784 - Button OK for dialog about invalid email address should be centered r=mcav

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https://hg.mozilla.org/integration/gaia-central/rev/5e971c4291e0
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1048784 - Button OK for dialog about invalid email address should be centered

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https://hg.mozilla.org/integration/gaia-central/rev/1535d1c10c8d
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #22624 from chirarobert/fix_bluetooth_test

Bug 1050231 - [v2.1] Fix test_settings_root_items failure

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https://hg.mozilla.org/integration/gaia-central/rev/efd982a7179d
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1050231 - [v2.1] Fix test_settings_root_items failure
Bumping manifests a=b2g-bump