Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/55563cf01c3b
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #17679 from yurenju/stage-windows-squash-3

Bug 897352 - [gaia build system] Transition to a build_stage for assembl... r=@ochameau

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https://hg.mozilla.org/integration/gaia-central/rev/4d22a61a338f
Author: Yuren Ju <yurenju@gmail.com>
Desc: Bug 897352 - [gaia build system] Transition to a build_stage for assembling apps

Conflicts:
	Makefile
	apps/communications/build/build.js
	build/copy-build-stage-manifest.js
	build/test/integration/distribution.test.js
	build/utils-xpc.js
	build/utils.js
	build/webapp-manifests.js

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https://hg.mozilla.org/integration/gaia-central/rev/1b7702f6aca0
Author: gitmai <mri@tid.es>
Desc: Merge pull request #17674 from gitmai/bug-980861-balance-notification-without-sms

Bug 980861 -[Cost Control] Alarm should be notified when user configures...
r=salva

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https://hg.mozilla.org/integration/gaia-central/rev/37440a0a44b2
Author: mai <mri@tid.es>
Desc: Bug 980861 -[Cost Control] Alarm should be notified when user configures when use is above or when balance is below
Bumping manifests a=b2g-bump