Add CC API to performAction globally like back navigation

Also deprecate any key injection APIs in favor of "performAction"
and "insertText" APIs.

Test: atest ComputerControlSessionTest
Bug: 422134565
Flag: android.companion.virtualdevice.flags.computer_control_access
Change-Id: I7071df8ea5e8fb29866395e62357d9a4c467fe4d