Intercept direct launch of instant app installer

The instant app installer is not designed to be launched directly
by 3p apps. Instead, intercept the launch and make it look like
a "normal" instant app launch.
cherry-picked from I89c9b8c56865e260a2b92f8c2312a305a74f9cf5

Bug: 33073524
Test: Built and notice poorly behaving apps [*cough* keep *cough*] now launch instant apps
Change-Id: I5401aa8423042f54f1478409065b0d6b25cebe89
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 4bd06b7..3703744 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -640,6 +640,18 @@
         final Intent ephemeralIntent = new Intent(intent);
         // Don't modify the client's object!
         intent = new Intent(intent);
+        if (componentSpecified
+                && intent.getData() != null
+                && Intent.ACTION_VIEW.equals(intent.getAction())
+                && intent.hasCategory(Intent.CATEGORY_BROWSABLE)
+                && mService.getPackageManagerInternalLocked()
+                        .isInstantAppInstallerComponent(intent.getComponent())) {
+            // intercept intents targeted directly to the ephemeral installer the
+            // ephemeral installer should never be started with a raw URL; instead
+            // adjust the intent so it looks like a "normal" instant app launch
+            intent.setComponent(null /*component*/);
+            componentSpecified = false;
+        }
 
         ResolveInfo rInfo = mSupervisor.resolveIntent(intent, resolvedType, userId);
         if (rInfo == null) {