Ignore incorrect NewApi Lint warning for CDM getAllAssociations()

CDM.getAllAssociations() is made public (was SystemApi)
and linter will wrongly flag it as [NewApi] so we have to
update the RequireApi and add a SuppressLint.

Bug: 245972418
Bug: 193460475

Tag: #feature

Test: atest FrameworkBluetoothTests

Change-Id: I6fda55ee223db8c0e80b50e53b05fd7b8cd4eb37