Bumping gaia.json for 9 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_1/rev/73cc77e428cd
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1086644 - Changing performance tests back to use legacy screen unlocking

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https://hg.mozilla.org/integration/gaia-2_1/rev/06a6a2d82d2a
Author: Russ Nicoletti <rnicoletti@mozilla.com>
Desc: Bug 1082563 - video playback screen remains black for few sec after suspend resume in video app

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https://hg.mozilla.org/integration/gaia-2_1/rev/00f65d8600a9
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Bug 1085414 - Allow apps that are symbolically linked to be unit tested

Conflicts:
	Makefile

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https://hg.mozilla.org/integration/gaia-2_1/rev/ad08e5929fa2
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #25066 from snowmantw/bug1069879

Bug 1069879 - Only three dots shown when entering passcode

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https://hg.mozilla.org/integration/gaia-2_1/rev/80b883b61ff1
Author: Greg Weng <snowmantw@gmail.com>
Desc: TEST Revert "Bug 1069879 - Only three dots shown when entering passcode"

This reverts commit 2eec387ec469c52266bb9f6abca51e53b90ba623.

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https://hg.mozilla.org/integration/gaia-2_1/rev/9cd977aee519
Author: Greg Weng <snowmantw@gmail.com>
Desc: Bug 1069879 - Only three dots shown when entering passcode

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https://hg.mozilla.org/integration/gaia-2_1/rev/7fcaa12f03ad
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #25312 from cctuan/1075353-v21

Bug 1075353 - 1st inline activity is not killed before the second inline activity comes.

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https://hg.mozilla.org/integration/gaia-2_1/rev/ab47a395ff96
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 1075353 - 1st inline activity is not killed before the second inline activity comes.

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https://hg.mozilla.org/integration/gaia-2_1/rev/40f6e6e3a583
Author: rnowm <arnau@arnaumarch.com>
Desc: Bug 1081509 - [BB] update modals to the latest visual design
Bumping manifests a=b2g-bump