diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index bce2edb..898aa9e 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1397,7 +1397,6 @@
     DumpFile("BINDER STATS", "/sys/kernel/debug/binder/stats");
     DumpFile("BINDER STATE", "/sys/kernel/debug/binder/state");
 
-    RunDumpsys("WINSCOPE TRACE", {"window", "trace"});
     /* Add window and surface trace files. */
     if (!PropertiesHelper::IsUserBuild()) {
         ds.AddDir(WMTRACE_DATA_DIR, false);
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 214c665..7eee749 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -534,7 +534,7 @@
         }
         AddRuntimeArg(target_sdk_version_arg);
         if (enable_hidden_api_checks) {
-            AddRuntimeArg("-Xhidden-api-checks");
+            AddRuntimeArg("-Xhidden-api-policy:enabled");
         }
 
         if (dex_metadata_fd > -1) {
diff --git a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
index 5b66b92..c92c81f 100644
--- a/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
+++ b/libs/binder/aidl/android/content/pm/IPackageManagerNative.aidl
@@ -54,4 +54,18 @@
 
     long getVersionCodeForPackage(in String packageName);
 
+    /*  ApplicationInfo.isSystemApp() == true */
+    const int LOCATION_SYSTEM = 0x1;
+    /*  ApplicationInfo.isVendor() == true */
+    const int LOCATION_VENDOR = 0x2;
+    /*  ApplicationInfo.isProduct() == true */
+    const int LOCATION_PRODUCT = 0x4;
+
+    /**
+     * Returns a set of bitflags about package location.
+     * LOCATION_SYSTEM: getApplicationInfo(packageName).isSystemApp()
+     * LOCATION_VENDOR: getApplicationInfo(packageName).isVendor()
+     * LOCATION_PRODUCT: getApplicationInfo(packageName).isProduct()
+     */
+    int getLocationFlags(in @utf8InCpp String packageName);
 }