Merge "Downgrade DNS fail message from Error to Warning" am: 7370c78137 am: 414e304a55 am: 183fb1636f am: 5d45b88180

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

Change-Id: I342c81d62ecae99df6d98e25cb2453a597977630

packages/Connectivity/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;
                             }
                         }