Add isHighPriority scan message type into Tuner HAL 1.1

Test: atest VtsHalTvTunerV1_1TargetTest
Bug: 169868608
Change-Id: I49a82dc9eda0fc9b1f90bc67cd6d1a20bbafcc00
diff --git a/tv/tuner/1.1/vts/functional/FrontendTests.cpp b/tv/tuner/1.1/vts/functional/FrontendTests.cpp
index 3bc7114..e5793c1 100644
--- a/tv/tuner/1.1/vts/functional/FrontendTests.cpp
+++ b/tv/tuner/1.1/vts/functional/FrontendTests.cpp
@@ -51,9 +51,12 @@
                                                    const FrontendScanMessageExt1_1& message) {
     android::Mutex::Autolock autoLock(mMsgLock);
     ALOGD("[vts] frontend ext1_1 scan message. Type: %d", type);
-    switch (type) {
-        case FrontendScanMessageTypeExt1_1::MODULATION:
-            readFrontendScanMessageExt1_1Modulation(message);
+    switch (message.getDiscriminator()) {
+        case FrontendScanMessageExt1_1::hidl_discriminator::modulation:
+            readFrontendScanMessageExt1_1Modulation(message.modulation());
+            break;
+        case FrontendScanMessageExt1_1::hidl_discriminator::isHighPriority:
+            ALOGD("[vts] frontend ext1_1 scan message high priority: %d", message.isHighPriority());
             break;
         default:
             break;