[5/X] Introduce BleCompanionDeviceScanner

Bug: 211398735
Test: atest CtsCompanionDeviceManagerCoreTestCases
Test: atest CtsCompanionDeviceManagerUiAutomationTestCases
Test: atest CtsOsTestCases:CompanionDeviceManagerTest
Change-Id: I798d788bb27d6c4c103a1eeb9405b3d78c689ba3
3 files changed