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

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https://hg.mozilla.org/integration/gaia-central/rev/ccb64656d121
Author: Ian Liu <iliu@mozilla.com>
Desc: Merge pull request #26992 from ian-liu/bluetooth/bug1110068_cannot_receive_files_after_default_storage_changed_to_internal

Bug 1110068 - [Settings]DUT can't receve file via bluetooth after you switch media location to internal. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/231888ede7cd
Author: ian-liu <iliu@mozilla.com>
Desc: Bug 1110068 - [Settings]DUT can't receve file via bluetooth after you switch media location to internal.
Bumping manifests a=b2g-bump