Adjust tuner default implementation and VTS types size.

Bug: 195693712
Test: atest VtsHalTvTunerTargetTest
Test: atest android.media.tv.tuner.cts
Change-Id: Ie9d20c74b05ecc10333ca883fe38d26d78f33949
diff --git a/tv/tuner/aidl/vts/functional/FrontendTests.h b/tv/tuner/aidl/vts/functional/FrontendTests.h
index b65704f..e5a9cd3 100644
--- a/tv/tuner/aidl/vts/functional/FrontendTests.h
+++ b/tv/tuner/aidl/vts/functional/FrontendTests.h
@@ -53,8 +53,8 @@
                   FrontendScanType type);
 
     // Helper methods
-    int32_t getTargetFrequency(FrontendSettings& settings);
-    void resetBlindScanStartingFrequency(FrontendConfig& config, int32_t resetingFreq);
+    int64_t getTargetFrequency(FrontendSettings& settings);
+    void resetBlindScanStartingFrequency(FrontendConfig& config, int64_t resetingFreq);
 
   private:
     void readFrontendScanMessage_Modulation(FrontendModulation modulation);
@@ -113,7 +113,7 @@
                 .lowThreshold = 0x1000,
                 .highThreshold = 0x07fff,
                 .dataFormat = DataFormat::ES,
-                .packetSize = static_cast<int8_t>(188),
+                .packetSize = static_cast<int64_t>(188),
         };
         dvrConfig.type = DvrType::PLAYBACK;
         dvrConfig.playbackInputFile = "/data/local/tmp/test.es";