Move tether_utils into utils folder

This is no-op refactoring to move tether_utils into
a dedicated folder for utilities.

Test: m connectivity_multi_devices_snippet && \
      atest CtsConnectivityMultiDevicesTestCases:ConnectivityMultiDevicesTest
Bug: 345110845
Change-Id: I1df277570d3295e9ac5307f92e0a338481e3f732
diff --git a/tests/cts/multidevices/Android.bp b/tests/cts/multidevices/Android.bp
index 5f9b3ef..1d30d68 100644
--- a/tests/cts/multidevices/Android.bp
+++ b/tests/cts/multidevices/Android.bp
@@ -22,7 +22,7 @@
     main: "connectivity_multi_devices_test.py",
     srcs: [
         "connectivity_multi_devices_test.py",
-        "tether_utils.py",
+        "utils/*.py",
     ],
     libs: [
         "mobly",
diff --git a/tests/cts/multidevices/connectivity_multi_devices_test.py b/tests/cts/multidevices/connectivity_multi_devices_test.py
index 1d6fb51..7a326cd 100644
--- a/tests/cts/multidevices/connectivity_multi_devices_test.py
+++ b/tests/cts/multidevices/connectivity_multi_devices_test.py
@@ -5,8 +5,8 @@
 from mobly import test_runner
 from mobly import utils
 from mobly.controllers import android_device
-import tether_utils
-from tether_utils import UpstreamType
+from utils import tether_utils
+from utils.tether_utils import UpstreamType
 
 CONNECTIVITY_MULTI_DEVICES_SNIPPET_PACKAGE = "com.google.snippet.connectivity"
 
diff --git a/tests/cts/multidevices/tether_utils.py b/tests/cts/multidevices/utils/tether_utils.py
similarity index 86%
rename from tests/cts/multidevices/tether_utils.py
rename to tests/cts/multidevices/utils/tether_utils.py
index 61f5c43..b37ed76 100644
--- a/tests/cts/multidevices/tether_utils.py
+++ b/tests/cts/multidevices/utils/tether_utils.py
@@ -11,18 +11,6 @@
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#       http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
 
 import base64
 import uuid