omni: update emulator dependencies file

Change-Id: I978552202510db717ccc2e262c623bd6d4660f97
diff --git a/build/tools/roomservice.py b/build/tools/roomservice.py
index 3c44a19..84be610 100755
--- a/build/tools/roomservice.py
+++ b/build/tools/roomservice.py
@@ -359,7 +359,7 @@
 
 def fetch_dependencies(device):
     if device == "emulator":
-        location = "vendor/omni/utils/emulator"
+        location = "vendor/omni/utils/omni_emulator"
     else:
         location = parse_device_from_folder(device)
     if location is None or not os.path.isdir(location):