Merge "Downgrade DNS fail message from Error to Warning" am: 374a06673e am: 060c1cdde6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1662360

Change-Id: Id681bbbafa73df18cc49d0dd03caeb37fcd99b7e

framework/src/android/net/DnsResolver.java

@@ -500,7 +500,7 @@ public final class DnsResolver {
                             try {
                                 resp = resNetworkResult(fd);  // Closes fd, marks it invalid.
                             } catch (ErrnoException e) {
-                                Log.e(TAG, "resNetworkResult:" + e.toString());
+                                Log.w(TAG, "resNetworkResult:" + e.toString());
                                 exception = e;
                             }
                         }