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

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https://hg.mozilla.org/integration/gaia-central/rev/0f0ff6487321
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #18113 from steveck-chung/bug-988772

Bug 988772 - [tarako][buri] sometimes contact index shows nothing when tap on a index. r=arcturus.

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https://hg.mozilla.org/integration/gaia-central/rev/c577381f11dd
Author: Steve Chung <schung@mozilla.com>
Desc: Bug 988772 - [tarako][buri] sometimes contact index shows nothing when tap on a index

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https://hg.mozilla.org/integration/gaia-central/rev/36490a62741b
Author: Justin D'Arcangelo <justindarc@gmail.com>
Desc: Merge pull request #18134 from justindarc/bug993043

Bug 993043 - [Camera][Buri] viewfinder stays zoomed in and doesn't resto...

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https://hg.mozilla.org/integration/gaia-central/rev/50f7f8aebdc4
Author: Justin D'Arcangelo <justindarc@gmail.com>
Desc: Bug 993043 - [Camera][Buri] viewfinder stays zoomed in and doesn't restore to original size until app killed

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https://hg.mozilla.org/integration/gaia-central/rev/83d69bf0f8da
Author: lissyx <lissyx+github@lissyx.dyndns.org>
Desc: Merge pull request #17986 from lissyx/bug992129

Bug 992129 - Generate voicemail notifications that are DSDS compliants r=etienne_s

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https://hg.mozilla.org/integration/gaia-central/rev/f756c98e0e6c
Author: Alexandre Lissy <lissyx+github@lissyx.dyndns.org>
Desc: Bug 992129 - Generate voicemail notifications that are DSDS compliants

The computed voicemail tag needs to be aware of the SIM card, otherwise
we may overwrite one notification for one SIM with notification for
another one. We rely on the serviceId for this.
Bumping manifests a=b2g-bump