Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/9fc5a433bdf9
Author: Min-Zhong "John" Lu <mnjul@users.noreply.github.com>
Desc: Merge pull request #21167 from mnjul/bug_1016283_backout_due_to_bug_1031505

Revert "Merge pull request #20353 from timdream/input-switch-flash"

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https://hg.mozilla.org/integration/gaia-central/rev/98d33a9bb690
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Revert "Merge pull request #20353 from timdream/input-switch-flash"

This reverts commit c0d1670ba57666210a7e7fd021ca4d9b47ab990c, reversing
changes made to 56812bb7f5234088d6802361190411cdab796868.
Bumping manifests a=b2g-bump