Set correct SDK level for new user restrictions

Mark DISALLOW_CAMERA_TOGGLE and DISALLOW_MICROPHONE_TOGGLE
as supported on S and above only.

Bug: 184927615
Test: manual
Change-Id: Ib6101a723f2285daa8307963b04afee07a1055c3

Author: Rubin Xu

app/src/main/java/com/afwsamples/testdpc/policy/UserRestriction.java

@@ -379,4 +379,9 @@ public UserRestriction(String key, int titleResId) {
             DISALLOW_INSTALL_UNKNOWN_SOURCES_GLOBALLY,
             DISALLOW_CONFIG_PRIVATE_DNS,
     };
+
+    public static String[] SC_PLUS_RESTRICTIONS = {
+            DISALLOW_MICROPHONE_TOGGLE,
+            DISALLOW_CAMERA_TOGGLE,
+    };
 }

app/src/main/java/com/afwsamples/testdpc/policy/UserRestrictionsDisplayFragment.java

@@ -146,6 +146,10 @@ private void constrainPreferences() {
             DpcPreferenceBase pref = (DpcPreferenceBase) findPreference(restriction);
             pref.setMinSdkVersion(VERSION_CODES.Q);
         }
+        for (String restriction: UserRestriction.SC_PLUS_RESTRICTIONS) {
+            DpcPreferenceBase pref = (DpcPreferenceBase) findPreference(restriction);
+            pref.setMinSdkVersion(VERSION_CODES.S);
+        }
         for (String restriction : UserRestriction.PRIMARY_USER_ONLY_RESTRICTIONS) {
             DpcPreferenceBase pref = (DpcPreferenceBase) findPreference(restriction);
             pref.setUserConstraint(DpcPreferenceHelper.USER_PRIMARY_USER);