Bumping gaia.json for 8 gaia revision(s) a=gaia-bump

Bumping gaia.json for 8 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_2/rev/a4878ee164e9
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #29246 from snowmantw/bug1148632-2.2

Bug 1148632 - [Lockscreen] Tapping 'Open' on a lockscreen notification a...

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https://hg.mozilla.org/integration/gaia-2_2/rev/f28c7afe9ffe
Author: Greg Weng <snowmantw@gmail.com>
Desc: Revert "Bug 1148632 - [Lockscreen] Tapping 'Open' on a lockscreen notification and then canceling the passcode lock page will still queue up the open activity and open it after eventually accessing homescreen, even after lockscreen camera activity"

This reverts commit 073b14f19ccb6b52e69ae1cb43c26a066c15e411.

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https://hg.mozilla.org/integration/gaia-2_2/rev/5f603f808dbf
Author: Greg Weng <snowmantw@gmail.com>
Desc: Bug 1148632 - [Lockscreen] Tapping 'Open' on a lockscreen notification and then canceling the passcode lock page will still queue up the open activity and open it after eventually accessing homescreen, even after lockscreen camera activity

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https://hg.mozilla.org/integration/gaia-2_2/rev/780fee6a6415
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Bug 1150220 - [Contacts] After merging contacts, the merged contacts will still be counted when performing a Select All action. r=francisco

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https://hg.mozilla.org/integration/gaia-2_2/rev/d42788d992ce
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Bug 1149120 - [Music] Use display: block on the bdi element

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https://hg.mozilla.org/integration/gaia-2_2/rev/53c98fb3a60f
Author: Marta Piekarska <marta@sec.t-labs.tu-berlin.de>
Desc: Bug 1139735 - [Settings] "short_name" is not used TC

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https://hg.mozilla.org/integration/gaia-2_2/rev/f90771e438a1
Author: Marta Piekarska <marta@sec.t-labs.tu-berlin.de>
Desc: Bug 1146152 - Labels for switches for Remote Ring/Locate/Lock are cut off/cropped in some localizations +autolander

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https://hg.mozilla.org/integration/gaia-2_2/rev/c826f7a060b5
Author: Marta Piekarska <marta@sec.t-labs.tu-berlin.de>
Desc: Bug 1120696 - [Privacy Panel] The About Privacy Panel page is briefly displayed when setting Passcode via Privacy Panel +autolander