Add support for Sensor CTS tests inside CtsVerifier.

Change-Id: I0257ca439d52ce6c818fffaca930c8ecb6e3a4eb
diff --git a/apps/CtsVerifier/proguard.flags b/apps/CtsVerifier/proguard.flags
index 2dfa185..7605f3d 100644
--- a/apps/CtsVerifier/proguard.flags
+++ b/apps/CtsVerifier/proguard.flags
@@ -7,7 +7,7 @@
 }
 
 # ensure we keep public sensor test methods, these are needed at runtime
--keepclassmembers class * extends com.android.cts.verifier.sensors.BaseSensorTestActivity {
+-keepclassmembers class * extends com.android.cts.verifier.sensors.base.BaseSensorTestActivity {
     public <methods>;
 }