Use getLaunchedFromPackage instead of getCallingPackage

Ensure that MediaProjectionPermissionActivity is doing proper
attribution and validation of permissions before showing.

Bug: 373581993
Test: presubmit
Flag: com.android.systemui.media_projection_request_attribution_fix
Change-Id: Ibcc14090ce38a0fac21a394d861d044b9669a8a0
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index c79c044..540115d 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1487,3 +1487,13 @@
   description: "Enables notes role qs tile which opens default notes role app in app bubbles"
   bug: "357863750"
 }
+
+flag {
+   name: "media_projection_request_attribution_fix"
+   namespace: "systemui"
+   description: "Ensure MediaProjection consent requests are properly attributed"
+   bug: "373581993"
+   metadata {
+       purpose: PURPOSE_BUGFIX
+   }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/mediaprojection/permission/MediaProjectionPermissionActivity.java b/packages/SystemUI/src/com/android/systemui/mediaprojection/permission/MediaProjectionPermissionActivity.java
index c3729c0..212da9f 100644
--- a/packages/SystemUI/src/com/android/systemui/mediaprojection/permission/MediaProjectionPermissionActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/mediaprojection/permission/MediaProjectionPermissionActivity.java
@@ -122,8 +122,11 @@
         final Intent launchingIntent = getIntent();
         mReviewGrantedConsentRequired = launchingIntent.getBooleanExtra(
                 EXTRA_USER_REVIEW_GRANTED_CONSENT, false);
-
-        mPackageName = getCallingPackage();
+        if (com.android.systemui.Flags.mediaProjectionRequestAttributionFix()) {
+            mPackageName = getLaunchedFromPackage();
+        } else {
+            mPackageName = getCallingPackage();
+        }
 
         // This activity is launched directly by an app, or system server. System server provides
         // the package name through the intent if so.