Rename LinkInfo to LinkQualityInfo

This change renames the LinkInfo objects to LinkQuailtyInfo. The API is
still hidden; but it can be accessed via reflection.

Bug: 10342372

Change-Id: Ieccea87c467ceae5d7f76298b137573f67396cd6
diff --git a/core/java/android/net/IConnectivityManager.aidl b/core/java/android/net/IConnectivityManager.aidl
index bf2dade..1c38314 100644
--- a/core/java/android/net/IConnectivityManager.aidl
+++ b/core/java/android/net/IConnectivityManager.aidl
@@ -16,7 +16,7 @@
 
 package android.net;
 
-import android.net.LinkInfo;
+import android.net.LinkQualityInfo;
 import android.net.LinkProperties;
 import android.net.NetworkInfo;
 import android.net.NetworkQuotaInfo;
@@ -147,10 +147,10 @@
 
     String getMobileRedirectedProvisioningUrl();
 
-    LinkInfo getLinkInfo(int networkType);
+    LinkQualityInfo getLinkQualityInfo(int networkType);
 
-    LinkInfo getActiveLinkInfo();
+    LinkQualityInfo getActiveLinkQualityInfo();
 
-    LinkInfo[] getAllLinkInfo();
+    LinkQualityInfo[] getAllLinkQualityInfo();
 
 }