Add an initial Demxu client and Filter Client interface

Test: make libmedia_tv_tuner
Bug: 174095851

Change-Id: I8af379bf2810bee3dedf69ea0187766300b05370
diff --git a/media/jni/Android.bp b/media/jni/Android.bp
index 979f9ec..79f6cbf 100644
--- a/media/jni/Android.bp
+++ b/media/jni/Android.bp
@@ -139,6 +139,8 @@
     name: "libmedia_tv_tuner",
     srcs: [
         "android_media_tv_Tuner.cpp",
+        "tuner/DemuxClient.cpp",
+        "tuner/FilterClient.cpp",
         "tuner/FrontendClient.cpp",
         "tuner/TunerClient.cpp",
     ],