drmserver: use getCallingSid

Bug: 121035042
Test: `atest android.drm.cts`
    CtsDrmTestCases: Passed: 43, Failed: 0
Change-Id: Ia85f437da29821d08dd585f87ac096de5f85b980
diff --git a/drm/drmserver/DrmManagerService.h b/drm/drmserver/DrmManagerService.h
index 7aaeab5..2e27a3c 100644
--- a/drm/drmserver/DrmManagerService.h
+++ b/drm/drmserver/DrmManagerService.h
@@ -60,7 +60,7 @@
 
     static const char *get_perm_label(drm_perm_t perm);
 
-    static bool selinuxIsProtectedCallAllowed(pid_t spid, drm_perm_t perm);
+    static bool selinuxIsProtectedCallAllowed(pid_t spid, const char* ssid, drm_perm_t perm);
 
     static bool isProtectedCallAllowed(drm_perm_t perm);