Add CEC AIDL tests to test mapping (presubmit)

Bug: 250526670
Bug: 250526969
Test: acloud create --local-instance --local-image && cd
hardware/interfaces/tv && atest

Change-Id: I8ecdabc0fcfd1d259153e0fd1fa579aca64d9be4
diff --git a/tv/cec/aidl/TEST_MAPPING b/tv/cec/aidl/TEST_MAPPING
new file mode 100644
index 0000000..ef4bee1
--- /dev/null
+++ b/tv/cec/aidl/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "VtsHalTvCecAidlTargetTest"
+    }
+  ]
+}