Add Demux and Descrambler interface to Tuner HAL
Test: Manual
bug: 135709729

Change-Id: I78283acdd7c22a2d4a785fa050bedd5e7ccc593e
diff --git a/tv/tuner/1.0/default/Tuner.h b/tv/tuner/1.0/default/Tuner.h
index 2152c89..1ca7671 100644
--- a/tv/tuner/1.0/default/Tuner.h
+++ b/tv/tuner/1.0/default/Tuner.h
@@ -37,6 +37,10 @@
     virtual Return<void> openFrontendById(uint32_t frontendId,
                                           openFrontendById_cb _hidl_cb) override;
 
+    virtual Return<void> openDemux(openDemux_cb _hidl_cb) override;
+
+    virtual Return<void> openDescrambler(openDescrambler_cb _hidl_cb) override;
+
   private:
     virtual ~Tuner();
     // Static mFrontends array to maintain local frontends information