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

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https://hg.mozilla.org/integration/gaia-central/rev/3ee0ffaee6b5
Author: Ian Liu <iliu@mozilla.com>
Desc: Merge pull request #17113 from ian-liu/bluetooth/bug980694_error_handle_in_bluetooth_app_while_user_turn_off_bt_before_sendfile

Bug 980694 - [B2G][Bluetooth] Bluetooth will continue searching for an export device after it is disabled, r=@timdream

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https://hg.mozilla.org/integration/gaia-central/rev/793873209417
Author: ian-liu <iliu@mozilla.com>
Desc: Bug 980694 - [B2G][Bluetooth] Bluetooth will continue searching for an export device after it is disabled
Bumping manifests a=b2g-bump