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

========

https://hg.mozilla.org/integration/gaia-2_0/rev/ea0492a926a6
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #21789 from RudyLu/keyboard/Bug1036075_2

Bug 1036075 - [L10n] Keyboard goes CAPS LOCK after typing 100 characters and selecting a suggestion.
r=djf

========

https://hg.mozilla.org/integration/gaia-2_0/rev/5327182caf6b
Author: wei.gao <wei.gao@spreadtrum.com>
Desc: Merge pull request #22006 from weigao123/bug1039957-master

Bug 1039957 - [master] Make only check box hide when FDN enabled. r=Arthur.

========

https://hg.mozilla.org/integration/gaia-2_0/rev/6b57033dc1ff
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #21512 from anefzaoui/bug-876825

Bug 876825 - Mixed LTR & RTL content support in text input fields and textarea
Conflicts:
	apps/homescreen/elements/search_page.html
	apps/system/index.html
Bumping manifests a=b2g-bump