Merge "Remove the usage of SystemProperties.set()" am: fe1f37de9c am: 1ed76ebfe8 am: 5382021e07

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1465504

Change-Id: Ie38e0ce264c899b278c2e46379bbeb9e787fb25a

services/core/java/com/android/server/connectivity/MockableSystemProperties.java

@@ -38,9 +38,4 @@ public class MockableSystemProperties {
     public void setTcpInitRwnd(int value) {
         NetworkProperties.tcp_init_rwnd(value);
     }
-    // TODO(b/33308258): SystemProperties.set() will not be accessible if ConnectivityService
-    // becomes a mainline module. Remove it and replace the usage after removing net.dns*.
-    public void set(String key, String value) {
-        SystemProperties.set(key, value);
-    }
 }