CEC: Initialise the HAL based on default implementation

Bug: 185434120
Test: manual
Change-Id: I4bbe5e799388b0f17c532108dca4c2f037f1ff33
diff --git a/tv/cec/1.0/default/Android.bp b/tv/cec/1.0/default/Android.bp
index fc4298d..d2ba95d 100644
--- a/tv/cec/1.0/default/Android.bp
+++ b/tv/cec/1.0/default/Android.bp
@@ -12,7 +12,10 @@
     defaults: ["hidl_defaults"],
     vendor: true,
     relative_install_path: "hw",
-    srcs: ["HdmiCec.cpp"],
+    srcs: [
+        "HdmiCec.cpp",
+        "HdmiCecDefault.cpp",
+    ],
 
     shared_libs: [
         "libhidlbase",