Media HAL cleanup based on vendor feedback

Bug: 203240638
Test: Build
Change-Id: I6bdf47929385a5ed65f1a2ca34500c67888f8b07
diff --git a/radio/aidl/Android.bp b/radio/aidl/Android.bp
index 3eb6bf2..d68f3d4 100644
--- a/radio/aidl/Android.bp
+++ b/radio/aidl/Android.bp
@@ -182,7 +182,8 @@
     vendor_available: true,
     srcs: ["android/hardware/radio/ims/media/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio.data"],
+    imports: ["android.hardware.radio",
+              "android.hardware.radio.data"],
     backend: {
         cpp: {
             enabled: false,