HDMICEC: TV send <Active Source> if <Request Active Source> times out

If there is no source device responding to the <Request Active Source> message sent by the TV within 2 seconds, the TV will broadcast <Active Source>.

Test: atest HdmiCecLocalDeviceTvTest
Bug: 238417516
Bug: 161955781
Change-Id: I301c4540f47b9aeaaa4c95fe748f902ad2fd5814
3 files changed