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

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https://hg.mozilla.org/integration/gaia-1_3/rev/57327a7b1608
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #17460 from KevinGrandon/bug_982260_to_1dot3

Bug 982260 - Gaia-integration tests on TBPL fail with: TEST-UNEXPECTED-FAIL | Contacts > Details Merging 15 contacts

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https://hg.mozilla.org/integration/gaia-1_3/rev/d780b26b8544
Author: German Toro del Valle <gtorodelvalle@gmail.com>
Desc: Bug 982260 - Gaia-integration tests on TBPL fail with: TEST-UNEXPECTED-FAIL | Contacts > Details Merging 15 contacts

Conflicts:
	apps/communications/contacts/test/marionette/details_test.js
	shared/test/integration/tbpl-manifest.json
Bumping manifests a=b2g-bump