Rename utils to remove the Kt suffix

Nobody cares what language this is written in

Test: builds
Change-Id: I3ed3bce276479fd503e716a06fd4912da8c49eda
diff --git a/staticlibs/hostdevice/com/android/testutils/ConcurrentUtils.kt b/staticlibs/hostdevice/com/android/testutils/ConcurrentUtils.kt
index a365af5..af4f96d 100644
--- a/staticlibs/hostdevice/com/android/testutils/ConcurrentUtils.kt
+++ b/staticlibs/hostdevice/com/android/testutils/ConcurrentUtils.kt
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+@file:JvmName("ConcurrentUtils")
+
 package com.android.testutils
 
 import java.util.concurrent.CountDownLatch