BluetoothInstrumentationTests: Remove certificate

And move GoogleBluetoothInstrumentationTests alongside
BluetoothInstrumentationTests as we don't need the google
certificate anymore.

The AndroidTest.xml is duplicated to be able to give
the right value for mainline-module-package-name
for GoogleBluetoothInstrumentationTests

Test: TreeHugger
Change-Id: Ia08f1885e1571a85bf256d7a0a0f4c13e29c81a3
Merged-In: Ia08f1885e1571a85bf256d7a0a0f4c13e29c81a3