Add managed_users support for ago projects

FeatureTest#testManagedProfileSupported request enable multip user
in android-go projects, add the feature support.

Bug: 361452766
Test: run cts-on-gsi -m CtsPackageManagerTestCases -t android.content.pm.cts.FeatureTest#testManagedProfileSupported

Change-Id: Id4925a2611fed4395fa057084d5e82b9f1a38818

Author: ot904806

data/etc/go_handheld_core_hardware.xml

@@ -51,6 +51,9 @@
     <!-- Feature to specify if the device supports adding device admins. -->
     <feature name="android.software.device_admin" />
 
+    <!-- Feature to specify if the device support managed users. -->
+    <feature name="android.software.managed_users" />
+
     <!-- Devices with all optimizations required to support VR Mode and
          pass all CDD requirements for this feature may include
          android.hardware.vr.high_performance -->