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

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https://hg.mozilla.org/integration/gaia-2_1/rev/501d4774ae71
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #25132 from RudyLu/ime/Bug1077609_uplift_v2.1

Bug 1077609 - uplift to v2.1.

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https://hg.mozilla.org/integration/gaia-2_1/rev/1a310dcbf19f
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #24935 from RudyLu/winMgr/bug1077609

Bug 1077609 - [Keyboard] When app permissions page asks user to add
r=timdream.
(cherry picked from commit ff81566d0f19741e67c0c3b1152a72022270110a)

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https://hg.mozilla.org/integration/gaia-2_1/rev/85f79dacbd40
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #23756 from mancas/bug1031374

Bug 1031374 - Overlay for Marketplace does not cancel when tapping home. r=etinenne
(cherry picked from commit 64fb49f3cd0b78ea0491acbc75b71c5ec988bd16)

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https://hg.mozilla.org/integration/gaia-2_1/rev/a105962815f4
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24960 from marshall/bug1064491_smartDataUsageTotal_v2.1

Bug 1064491: Request per-app data usage after first requesting total data usage

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https://hg.mozilla.org/integration/gaia-2_1/rev/28e82d0f6e8d
Author: Marshall Culpepper <marshall@mozilla.com>
Desc: Bug 1064491: Request per-app data usage after first requesting total data usage. r=salva

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https://hg.mozilla.org/integration/gaia-2_1/rev/fec0c9c037dc
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 1073870 - Autocorrect word does not get cleared when moving the cursor around

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https://hg.mozilla.org/integration/gaia-2_1/rev/e34b873bcdd2
Author: mai <mri@tid.es>
Desc: Bug 1075151 - [Cost Control] Fte redraw is very choppy when tapping next or back

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https://hg.mozilla.org/integration/gaia-2_1/rev/72236d622152
Author: Luke Chang <lchang@mozilla.com>
Desc: Bug 960800 - [B2G][SMS][RTSP] RTSP link doesn't appear as hyperlink when SMS is received

- add hyperlink support to rtsp protocol
Bumping manifests a=b2g-bump