Fix BluetoothInstrumentationTests

Sqlite update is now crashing whent getCacheDir is returning null (issue
on mocked context)
Use uiautomation permission for passing tests involving MANAGE_USER
(despite the fact we shouldn't need it)

Test: atest BluetoothInstrumentationTests
Fix: 254325296
Change-Id: I973315eebc347049d8cfe6b62582a1bcb8805b4d