Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_1/rev/4f67a73ac8df
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1060699 - Ambient indicator based on unread notifications

Fixing unit tests
Bumping manifests a=b2g-bump
Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_1/rev/2bdacfbc9831
Author: Kyle Machulis <kyle@nonpolynomial.com>
Desc: Bug 1036691 - Fix settings includes for browser shims
Bumping manifests a=b2g-bump
No bug, Automated HSTS preload list update from host b-linux64-hp-0026 - a=hsts-update
No bug, Automated HPKP preload list update from host b-linux64-hp-0026 - a=hpkp-update