Fix Bluetooth CTS tests to auto-detect correct package

There are two bluetooth packages, these tests need to detect the correct
one. Currently they just pick one arbitrarily which is flakey.

Bug: 239788967
Test: atest CtsDevicePolicyManagerTestCases:DeviceOwnerTest
Ignore-AOSP-First: nene bluetoth is only in internal, will cherry-pick
to master after

Merged-In: I6e45b0f8ed3ccb2a61c9afd9b1bc9ec61d187426
Change-Id: I6e45b0f8ed3ccb2a61c9afd9b1bc9ec61d187426
9 files changed