Merge changes from topic "int32ref" am: 8437d37bd0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1566390

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I86dde2fef971759b4720cfb242e8954baacf9d84
diff --git a/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java b/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
index b5f20d7..c480594 100644
--- a/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
+++ b/services/core/java/com/android/server/connectivity/TcpKeepaliveController.java
@@ -41,7 +41,6 @@
 import android.os.MessageQueue;
 import android.os.Messenger;
 import android.system.ErrnoException;
-import android.system.Int32Ref;
 import android.system.Os;
 import android.util.Log;
 import android.util.SparseArray;
@@ -306,9 +305,8 @@
 
     private static boolean isReceiveQueueEmpty(FileDescriptor fd)
             throws ErrnoException {
-        Int32Ref result = new Int32Ref(-1);
-        Os.ioctlInt(fd, SIOCINQ, result);
-        if (result.value != 0) {
+        final int result = Os.ioctlInt(fd, SIOCINQ);
+        if (result != 0) {
             Log.e(TAG, "Read queue has data");
             return false;
         }
@@ -317,9 +315,8 @@
 
     private static boolean isSendQueueEmpty(FileDescriptor fd)
             throws ErrnoException {
-        Int32Ref result = new Int32Ref(-1);
-        Os.ioctlInt(fd, SIOCOUTQ, result);
-        if (result.value != 0) {
+        final int result = Os.ioctlInt(fd, SIOCOUTQ);
+        if (result != 0) {
             Log.e(TAG, "Write queue has data");
             return false;
         }