Remove uses of libcore.util.Objects.hashCode / equals.

Use public API in java.util.Objects instead.

Test: make
Change-Id: I413280f254743a2efa2640a2194693aeb5980605
diff --git a/services/core/java/com/android/server/display/LogicalDisplay.java b/services/core/java/com/android/server/display/LogicalDisplay.java
index 132f083..e582fdf 100644
--- a/services/core/java/com/android/server/display/LogicalDisplay.java
+++ b/services/core/java/com/android/server/display/LogicalDisplay.java
@@ -25,8 +25,7 @@
 import java.io.PrintWriter;
 import java.util.Arrays;
 import java.util.List;
-
-import libcore.util.Objects;
+import java.util.Objects;
 
 /**
  * Describes how a logical display is configured.
@@ -225,7 +224,7 @@
         // logical display that they are sharing.  (eg. Adjust size for pixel-perfect
         // mirroring over HDMI.)
         DisplayDeviceInfo deviceInfo = mPrimaryDisplayDevice.getDisplayDeviceInfoLocked();
-        if (!Objects.equal(mPrimaryDisplayDeviceInfo, deviceInfo)) {
+        if (!Objects.equals(mPrimaryDisplayDeviceInfo, deviceInfo)) {
             mBaseDisplayInfo.layerStack = mLayerStack;
             mBaseDisplayInfo.flags = 0;
             if ((deviceInfo.flags & DisplayDeviceInfo.FLAG_SUPPORTS_PROTECTED_BUFFERS) != 0) {