AAudio: Change dumpsys denial to Denial

See android.security.cts.ServicePermissionsTest#testDumpProtected

Test: compile
Bug: 117909592
Change-Id: Ie9972e37b8c589630e24373945ee8eaa4216b542
diff --git a/services/oboeservice/AAudioService.cpp b/services/oboeservice/AAudioService.cpp
index 6a72e5b..0182a27 100644
--- a/services/oboeservice/AAudioService.cpp
+++ b/services/oboeservice/AAudioService.cpp
@@ -58,7 +58,7 @@
 
     if (!dumpAllowed()) {
         std::stringstream ss;
-        ss << "Permission denial: can't dump AAudioService from pid="
+        ss << "Permission Denial: can't dump AAudioService from pid="
                 << IPCThreadState::self()->getCallingPid() << ", uid="
                 << IPCThreadState::self()->getCallingUid() << "\n";
         result = ss.str();