Only log a warning if it's an actual violation

Otherwise the message can be confusing if deny-permission is used or
app is updated.

Test: manual
Bug: 64693550
Change-Id: I19943d8cbd13a5173356a32565db88856428009e
diff --git a/services/core/java/com/android/server/pm/permission/PermissionManagerService.java b/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
index 41b1add..a4a8e6f 100644
--- a/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
+++ b/services/core/java/com/android/server/pm/permission/PermissionManagerService.java
@@ -996,8 +996,6 @@
         if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivileged()
                 && !platformPackage && platformPermission) {
             if (!hasPrivappWhitelistEntry(perm, pkg)) {
-                Slog.w(TAG, "Privileged permission " + perm + " for package "
-                        + pkg.packageName + " - not in privapp-permissions whitelist");
                 // Only report violations for apps on system image
                 if (!mSystemReady && !pkg.isUpdatedSystemApp()) {
                     // it's only a reportable violation if the permission isn't explicitly denied
@@ -1005,12 +1003,16 @@
                             .getPrivAppDenyPermissions(pkg.packageName);
                     final boolean permissionViolation =
                             deniedPermissions == null || !deniedPermissions.contains(perm);
-                    if (permissionViolation
-                            && RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) {
-                        if (mPrivappPermissionsViolations == null) {
-                            mPrivappPermissionsViolations = new ArraySet<>();
+                    if (permissionViolation) {
+                        Slog.w(TAG, "Privileged permission " + perm + " for package "
+                                + pkg.packageName + " - not in privapp-permissions whitelist");
+
+                        if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) {
+                            if (mPrivappPermissionsViolations == null) {
+                                mPrivappPermissionsViolations = new ArraySet<>();
+                            }
+                            mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm);
                         }
-                        mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm);
                     } else {
                         return false;
                     }