Use shared variant of VNDK libmedia_helper

Vendor modules should use shared VNDK.

Bug: 137178339
Test: m && boot blueline
Change-Id: I56ad69125811ff768d8064af34acf5603b575b4b

audio/core/all-versions/default/Android.bp

@@ -26,6 +26,7 @@ cc_defaults {
         "libhidlbase",
         "libhidltransport",
         "liblog",
+        "libmedia_helper",
         "libutils",
         "android.hardware.audio.common-util",
     ],
@@ -37,10 +38,6 @@ cc_defaults {
         "libhardware_headers",
         "libmedia_headers",
     ],
-
-    whole_static_libs: [
-        "libmedia_helper",
-    ],
 }
 
 cc_library_shared {