Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/92dc9ad295b8
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Revert "Merge pull request #23551 from mnjul/bug_1060541_lckscr_noti_scrolling_hvga_for_1038723"

This reverts commit 3c6b2328b9527a31a1c716151bdb5983291a828c, reversing
changes made to d170091ba1b5597b05f37fb259f6b8eb02568798.

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https://hg.mozilla.org/integration/gaia-central/rev/14dbb441a45c
Author: Min-Zhong "John" Lu <jlu@mozilla.com>
Desc: Merge pull request #23551 from mnjul/bug_1060541_lckscr_noti_scrolling_hvga_for_1038723

Bug 1060541 - [Lockscreen] Adding 1 additional notification to lockscreen with new music player. r=gweng. ui-r=amlee

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https://hg.mozilla.org/integration/gaia-central/rev/8725dca53fe2
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Bug 1060541 - Add 1 additional notification to lockscreen with new music player by bug 1038723
Bumping manifests a=b2g-bump