Use liberror in AidlConversionUtil

This completes the extraction of the Result type from the AIDL
conversion library into liberror, for broader use.

Test: m -j
Change-Id: I7dba09460e1d357105e8a965b5df20aa2ea009d8
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index 33e2848..e890e97 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -203,9 +203,11 @@
     ],
     header_libs: [
         "libbase_headers",
+        "liberror_headers",
     ],
     export_header_lib_headers: [
         "libbase_headers",
+        "liberror_headers",
     ],
     apex_available: [
         "//apex_available:platform",