Make dvr tests a separate module

Test: atest VtsHalTvTunerV1_0TargetTest
Bug: 150989084
Change-Id: I35d717f357b176d5cbec5d154f4df30fd2c4a18e
diff --git a/tv/tuner/1.0/default/Tuner.h b/tv/tuner/1.0/default/Tuner.h
index d17b5ae..ada0f81 100644
--- a/tv/tuner/1.0/default/Tuner.h
+++ b/tv/tuner/1.0/default/Tuner.h
@@ -62,6 +62,7 @@
 
     void setFrontendAsDemuxSource(uint32_t frontendId, uint32_t demuxId);
 
+    void frontendStartTune(uint32_t frontendId);
     void frontendStopTune(uint32_t frontendId);
 
   private: