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

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https://hg.mozilla.org/integration/gaia-1_3/rev/2e7d2c62400b
Author: Yuren Ju <yurenju@gmail.com>
Desc: Merge pull request #17432 from evanxd/v1.3-bug-986345

Bug 986345 - Fix CI_ACTION=marionette_js failure on 1.3/1.3t branch. a=testonly

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https://hg.mozilla.org/integration/gaia-1_3/rev/e90d4e7b8176
Author: Evan Xd <itoyxd@gmail.com>
Desc: Bug 986345 - Add black list on Travis.
Bumping manifests a=b2g-bump