Merge pull request #11265 from ian-liu/bluetooth/Bug897798_Bluetooth_app_need_1.5x_ratio_pictures_for_hd_versions

Bug 897798 - [Bluetooth File Transfer][UX][HD] Bluetooth app need 1.5x ratio pictures for hd versions, r=@rexboy7 (cherry picked from commit 42863a74a801e8f564545b73ae727471678b91f9)