Make dvr tests a separate module

Test: atest VtsHalTvTunerV1_0TargetTest
Bug: 150989084
Change-Id: I35d717f357b176d5cbec5d154f4df30fd2c4a18e
diff --git a/tv/tuner/1.0/default/Frontend.cpp b/tv/tuner/1.0/default/Frontend.cpp
index 2cff9be..7d55739 100644
--- a/tv/tuner/1.0/default/Frontend.cpp
+++ b/tv/tuner/1.0/default/Frontend.cpp
@@ -64,6 +64,7 @@
         return Result::INVALID_STATE;
     }
 
+    mTunerService->frontendStartTune(mId);
     mCallback->onEvent(FrontendEventType::LOCKED);
     mIsLocked = false;
     return Result::SUCCESS;