diff --git a/core/tests/coretests/src/android/net/OWNERS b/core/tests/coretests/src/android/net/OWNERS
index a779c00..beb77dc 100644
--- a/core/tests/coretests/src/android/net/OWNERS
+++ b/core/tests/coretests/src/android/net/OWNERS
@@ -1,4 +1,5 @@
 include /services/core/java/com/android/server/net/OWNERS
 
-per-file SSL*,Uri*,Url* = prb@google.com,oth@google.com,narayan@google.com,ngeoffray@google.com
+per-file SSL*,Url* = prb@google.com,oth@google.com,narayan@google.com,ngeoffray@google.com
 per-file SntpClient* = file:/services/core/java/com/android/server/timedetector/OWNERS
+per-file Uri* = varunshah@google.com
diff --git a/services/companion/java/com/android/server/companion/securechannel/SecureChannel.java b/services/companion/java/com/android/server/companion/securechannel/SecureChannel.java
index 0e66fbc..71a1822 100644
--- a/services/companion/java/com/android/server/companion/securechannel/SecureChannel.java
+++ b/services/companion/java/com/android/server/companion/securechannel/SecureChannel.java
@@ -23,6 +23,7 @@
 import android.os.Build;
 import android.util.Slog;
 
+import com.google.security.cryptauth.lib.securegcm.ukey2.AlertException;
 import com.google.security.cryptauth.lib.securegcm.ukey2.BadHandleException;
 import com.google.security.cryptauth.lib.securegcm.ukey2.CryptoException;
 import com.google.security.cryptauth.lib.securegcm.ukey2.D2DConnectionContextV1;
@@ -203,7 +204,8 @@
      *
      * This method must only be called from one of the two participants.
      */
-    public void establishSecureConnection() throws IOException, SecureChannelException {
+    public void establishSecureConnection() throws IOException,
+            SecureChannelException, HandshakeException {
         if (isSecured()) {
             Slog.d(TAG, "Channel is already secure.");
             return;
@@ -334,7 +336,7 @@
         }
     }
 
-    private void initiateHandshake() throws IOException, BadHandleException {
+    private void initiateHandshake() throws IOException, BadHandleException , HandshakeException {
         if (mConnectionContext != null) {
             Slog.d(TAG, "Ukey2 handshake is already completed.");
             return;
@@ -394,8 +396,8 @@
         }
     }
 
-    private void exchangeHandshake()
-            throws IOException, HandshakeException, BadHandleException, CryptoException {
+    private void exchangeHandshake() throws IOException, HandshakeException,
+            BadHandleException, CryptoException, AlertException {
         if (mConnectionContext != null) {
             Slog.d(TAG, "Ukey2 handshake is already completed.");
             return;
diff --git a/services/core/java/com/android/server/PinnerService.java b/services/core/java/com/android/server/PinnerService.java
index c5c2b0b..a19bb1d 100644
--- a/services/core/java/com/android/server/PinnerService.java
+++ b/services/core/java/com/android/server/PinnerService.java
@@ -885,6 +885,7 @@
             }
             synchronized (this) {
                 pinnedApp.mFiles.add(pf);
+                mPinnedFiles.put(pf.fileName, pf);
             }
 
             apkPinSizeLimit -= pf.bytesPinned;
@@ -1356,18 +1357,6 @@
 
     public List<PinnedFileStat> getPinnerStats() {
         ArrayList<PinnedFileStat> stats = new ArrayList<>();
-        Collection<PinnedApp> pinnedApps;
-        synchronized(this) {
-            pinnedApps = mPinnedApps.values();
-        }
-        for (PinnedApp pinnedApp : pinnedApps) {
-            for (PinnedFile pf : pinnedApp.mFiles) {
-                PinnedFileStat stat =
-                        new PinnedFileStat(pf.fileName, pf.bytesPinned, pf.groupName);
-                stats.add(stat);
-            }
-        }
-
         Collection<PinnedFile> pinnedFiles;
         synchronized(this) {
             pinnedFiles = mPinnedFiles.values();
diff --git a/services/core/java/com/android/server/WallpaperUpdateReceiver.java b/services/core/java/com/android/server/WallpaperUpdateReceiver.java
index 2812233..42391a5 100644
--- a/services/core/java/com/android/server/WallpaperUpdateReceiver.java
+++ b/services/core/java/com/android/server/WallpaperUpdateReceiver.java
@@ -24,7 +24,6 @@
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
-import android.graphics.Bitmap;
 import android.os.AsyncTask;
 import android.os.ParcelFileDescriptor;
 import android.util.Slog;
@@ -59,10 +58,10 @@
                 return;
             }
             if (DEBUG) Slog.d(TAG, "Set customized default_wallpaper.");
-            Bitmap blank = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
-            // set a blank wallpaper to force a redraw of default_wallpaper
-            wallpaperManager.setBitmap(blank);
-            wallpaperManager.setResource(com.android.internal.R.drawable.default_wallpaper);
+            // Check if it is not a live wallpaper set
+            if (wallpaperManager.getWallpaperInfo() == null) {
+                wallpaperManager.clearWallpaper();
+            }
         } catch (Exception e) {
             Slog.w(TAG, "Failed to customize system wallpaper." + e);
         }