Bluetooth: don't depend on sdk module directly.

Just remove the dep, it doesn't appear to be needed. If it was needed, the
SDK should be depended on by specifying LOCAL_SDK_VERSION.

Bug: 77525052
Test: make BluetoothRoboTests RunBluetoothRoboTests
Change-Id: Icea2cbde4110c22247db86ca565a85809687d80e
Merged-In: Icea2cbde4110c22247db86ca565a85809687d80e