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

========

https://hg.mozilla.org/integration/gaia-central/rev/9cbdc409d0fd
Author: Min-Zhong "John" Lu <jlu@mozilla.com>
Desc: Merge pull request #25349 from mnjul/bug_1085384_uppercase_not_correctly_retrieved

Bug 1085384 - Use page.upperCase instead of layout.upperCase as the structure has been moved to page during normalization. r=timdream

========

https://hg.mozilla.org/integration/gaia-central/rev/576d2eb27cf4
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Bug 1085384 - Use page.upperCase instead of layout.upperCase as the structure has been moved to page during normalization.

========

https://hg.mozilla.org/integration/gaia-central/rev/ac6c8abc3983
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 1083197 - Dont bail when seeing places without icons. r=kgrandon
Bumping manifests a=b2g-bump