CEC: Change vendor command handling

If a vendor command without vendor ID is received, the message is now
forwarded to all registered listeners, irrespective of the device type.

If a vendor command with ID is received, the message is forwarded to all
listeners registered with that vendor ID

Bug: 177061176
Test: atest com.android.server.hdmi.HdmiControlServiceTest#addVendorCommandListener_noCallback_VendorCmdDiffIdTest
  atest com.android.server.hdmi.HdmiControlServiceTest#addVendorCommandListener_receiveCallback_VendorCmdNoIdTest
  atest com.android.server.hdmi.HdmiControlServiceTest#addVendorCommandListener_receiveCallback_VendorCmdWithIdTest
Change-Id: I84e010ccbe58ff090348babba05db0c31add1136