Fix Typo in imports

Fix minor typo in imports

Bug: None
Test: Done

Signed-off-by: Qi Jiang <qijiang@google.com>
Change-Id: Ibbcf58cc53d73a31adc779cb3f3ccbbd67687838
diff --git a/acts_tests/tests/google/bt/performance/BtA2dpRangeTest.py b/acts_tests/tests/google/bt/performance/BtA2dpRangeTest.py
index 99e564c..d2bcb10 100644
--- a/acts_tests/tests/google/bt/performance/BtA2dpRangeTest.py
+++ b/acts_tests/tests/google/bt/performance/BtA2dpRangeTest.py
@@ -22,7 +22,7 @@
 from acts_contrib.test_utils.bt import BtEnum
 from acts_contrib.test_utils.bt.A2dpBaseTest import A2dpBaseTest
 from acts_contrib.test_utils.bt.loggers import bluetooth_metric_logger as log
-from acts.test_utils.power.PowerBTBaseTest import ramp_attenuation
+from acts_contrib.test_utils.power.PowerBTBaseTest import ramp_attenuation
 from acts.signals import TestPass