Migrate test_utils from acts to acts_contrib

This change will allow the ACTS framework to be packaged independently
of its test_utils. This facilitates the usage of ACTS within test suites
outside of tools/test/connectivity.

Re-submission of ag/13029169.
This reverts commit a4913cd4087bb09bf192de6ef819657aa6e082bd.

Reason for revert: Submit once references in acts_power are fixed.

Change-Id: I2d60f8ccaf936a80820a7b4387c23bbce1293dcf
diff --git a/acts_tests/tests/google/tel/etc/manage_sim.py b/acts_tests/tests/google/tel/etc/manage_sim.py
index 1d51cb0..91a3887 100755
--- a/acts_tests/tests/google/tel/etc/manage_sim.py
+++ b/acts_tests/tests/google/tel/etc/manage_sim.py
@@ -23,9 +23,9 @@
 import argparse
 import json
 import acts.controllers.android_device as android_device
-import acts.test_utils.tel.tel_defines as tel_defines
-import acts.test_utils.tel.tel_lookup_tables as tel_lookup_tables
-import acts.test_utils.tel.tel_test_utils as tel_test_utils
+import acts_contrib.test_utils.tel.tel_defines as tel_defines
+import acts_contrib.test_utils.tel.tel_lookup_tables as tel_lookup_tables
+import acts_contrib.test_utils.tel.tel_test_utils as tel_test_utils
 
 
 def get_active_sim_list(verbose_warnings=False):