Move NetworkState to Connectivity

NetworkState is becoming an internal implementation class, with
NetworkStateSnapshot replacing it as a proper API. Considering this it
belongs inside Connectivity.

Bug: 174123988
Test: m
Change-Id: I201f1a07c50d9da31e33f5c207875da8863ef57c
diff --git a/core/java/android/net/NetworkState.java b/framework/src/android/net/NetworkState.java
similarity index 97%
rename from core/java/android/net/NetworkState.java
rename to framework/src/android/net/NetworkState.java
index 813fde1..d010265 100644
--- a/core/java/android/net/NetworkState.java
+++ b/framework/src/android/net/NetworkState.java
@@ -115,7 +115,8 @@
     }
 
     @UnsupportedAppUsage
-    public static final @android.annotation.NonNull Creator<NetworkState> CREATOR = new Creator<NetworkState>() {
+    @NonNull
+    public static final Creator<NetworkState> CREATOR = new Creator<NetworkState>() {
         @Override
         public NetworkState createFromParcel(Parcel in) {
             return new NetworkState(in);