Revert "Require permission to create trusted displays"

This reverts commit f21c885ca7e86f77c808ab17fe1de650474de487.

Reason for revert: Have regression b/168268396.
Needs to pull out from Nov. builds.

Bug: 162627132

Change-Id: I29fa3937d1655a0cc7591abcfa2067f4fb2b2bcb
(cherry picked from commit ac67bee2165e7762f969258d1c39445229d1068d)

2 files changed, 3 insertions, 21 deletions

diff --git a/core/java/android/app/ActivityView.java b/core/java/android/app/ActivityView.java
index 3cb6293f0706..98a23f2b0075 100644
--- a/core/java/android/app/ActivityView.java
+++ b/core/java/android/app/ActivityView.java
@@ -105,8 +105,7 @@ public class ActivityView extends ViewGroup implements android.window.TaskEmbedd
     public ActivityView(
             @NonNull Context context, @NonNull AttributeSet attrs, int defStyle,
             boolean singleTaskInstance, boolean usePublicVirtualDisplay) {
-        this(context, attrs, defStyle, singleTaskInstance, usePublicVirtualDisplay,
-                false /* disableSurfaceViewBackgroundLayer */);
+        this(context, attrs, defStyle, singleTaskInstance, usePublicVirtualDisplay, false);
     }
 
     /** @hide */
@@ -114,22 +113,12 @@ public class ActivityView extends ViewGroup implements android.window.TaskEmbedd
             @NonNull Context context, @NonNull AttributeSet attrs, int defStyle,
             boolean singleTaskInstance, boolean usePublicVirtualDisplay,
             boolean disableSurfaceViewBackgroundLayer) {
-        this(context, attrs, defStyle, singleTaskInstance, usePublicVirtualDisplay,
-                disableSurfaceViewBackgroundLayer, false /* useTrustedDisplay */);
-    }
-
-    // TODO(b/162901735): Refactor ActivityView with Builder
-    /** @hide */
-    public ActivityView(
-            @NonNull Context context, @NonNull AttributeSet attrs, int defStyle,
-            boolean singleTaskInstance, boolean usePublicVirtualDisplay,
-            boolean disableSurfaceViewBackgroundLayer, boolean useTrustedDisplay) {
         super(context, attrs, defStyle);
         if (useTaskOrganizer()) {
             mTaskEmbedder = new TaskOrganizerTaskEmbedder(context, this);
         } else {
             mTaskEmbedder = new VirtualDisplayTaskEmbedder(context, this, singleTaskInstance,
-                    usePublicVirtualDisplay, useTrustedDisplay);
+                    usePublicVirtualDisplay);
         }
         mSurfaceView = new SurfaceView(context, null, 0, 0, disableSurfaceViewBackgroundLayer);
         // Since ActivityView#getAlpha has been overridden, we should use parent class's alpha
diff --git a/core/java/android/window/VirtualDisplayTaskEmbedder.java b/core/java/android/window/VirtualDisplayTaskEmbedder.java
index 9013da36007e..9ccb4c172158 100644
--- a/core/java/android/window/VirtualDisplayTaskEmbedder.java
+++ b/core/java/android/window/VirtualDisplayTaskEmbedder.java
@@ -19,7 +19,6 @@ package android.window;
 import static android.hardware.display.DisplayManager.VIRTUAL_DISPLAY_FLAG_DESTROY_CONTENT_ON_REMOVAL;
 import static android.hardware.display.DisplayManager.VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY;
 import static android.hardware.display.DisplayManager.VIRTUAL_DISPLAY_FLAG_PUBLIC;
-import static android.hardware.display.DisplayManager.VIRTUAL_DISPLAY_FLAG_TRUSTED;
 import static android.view.Display.INVALID_DISPLAY;
 
 import android.app.ActivityManager;
@@ -64,7 +63,6 @@ public class VirtualDisplayTaskEmbedder extends TaskEmbedder {
     private int mDisplayDensityDpi;
     private final boolean mSingleTaskInstance;
     private final boolean mUsePublicVirtualDisplay;
-    private final boolean mUseTrustedDisplay;
     private VirtualDisplay mVirtualDisplay;
     private Insets mForwardedInsets;
     private DisplayMetrics mTmpDisplayMetrics;
@@ -79,12 +77,10 @@ public class VirtualDisplayTaskEmbedder extends TaskEmbedder {
      *                           only applicable if virtual displays are used
      */
     public VirtualDisplayTaskEmbedder(Context context, VirtualDisplayTaskEmbedder.Host host,
-            boolean singleTaskInstance, boolean usePublicVirtualDisplay,
-            boolean useTrustedDisplay) {
+            boolean singleTaskInstance, boolean usePublicVirtualDisplay) {
         super(context, host);
         mSingleTaskInstance = singleTaskInstance;
         mUsePublicVirtualDisplay = usePublicVirtualDisplay;
-        mUseTrustedDisplay = useTrustedDisplay;
     }
 
     /**
@@ -107,9 +103,6 @@ public class VirtualDisplayTaskEmbedder extends TaskEmbedder {
         if (mUsePublicVirtualDisplay) {
             virtualDisplayFlags |= VIRTUAL_DISPLAY_FLAG_PUBLIC;
         }
-        if (mUseTrustedDisplay) {
-            virtualDisplayFlags |= VIRTUAL_DISPLAY_FLAG_TRUSTED;
-        }
 
         mVirtualDisplay = displayManager.createVirtualDisplay(
                 DISPLAY_NAME + "@" + System.identityHashCode(this), mHost.getWidth(),