Add VTS for voice telephony apis.

Bug: 32022332
Test: vts
Change-Id: I94f86f48d0c227f00c84051d14e6116d0bf2d1b3
diff --git a/radio/1.0/vts/functional/Android.bp b/radio/1.0/vts/functional/Android.bp
index 7b80fa2..67309ca 100644
--- a/radio/1.0/vts/functional/Android.bp
+++ b/radio/1.0/vts/functional/Android.bp
@@ -19,6 +19,7 @@
     defaults: ["hidl_defaults"],
     srcs: ["radio_hidl_hal_test.cpp",
            "radio_response.cpp",
+           "radio_hidl_hal_voice.cpp",
            "radio_hidl_hal_icc.cpp",
            "radio_hidl_hal_sms.cpp",
            "VtsHalRadioV1_0TargetTest.cpp"],