Refactor HDMI related AIDL packages

Move CEC, EArc and the old "HDMI" package in to one common hdmi package
as cec, earc and connection.

Test: Build
Bug: 261729059

Change-Id: Ic657713e3a4078125e211bb0d337519a9192aaa1
diff --git a/tv/hdmi/cec/aidl/TEST_MAPPING b/tv/hdmi/cec/aidl/TEST_MAPPING
new file mode 100644
index 0000000..17d6bca
--- /dev/null
+++ b/tv/hdmi/cec/aidl/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "VtsHalTvHdmiCecAidlTargetTest"
+    }
+  ]
+}