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

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https://hg.mozilla.org/integration/gaia-central/rev/02a6ed82d174
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #24833 from bebef1987/unx

Bug 1072913 - Disable test_play_3gp_video until Bug 1050667 is fixed

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https://hg.mozilla.org/integration/gaia-central/rev/4d1befddc261
Author: Bebe <bebe@mozilla.ro>
Desc: Bug 1072913 - Disable test_play_3gp_video until Bug 1050667 is fixed
Bumping manifests a=b2g-bump