Add BluetoothOperationExecutor.

Test: unit test

Bug: 200231384
Change-Id: I9bdada307705bce54920e548fafccd714a10ae34
diff --git a/nearby/tests/Android.bp b/nearby/tests/Android.bp
index ed20b7e..ec66b32 100644
--- a/nearby/tests/Android.bp
+++ b/nearby/tests/Android.bp
@@ -28,11 +28,13 @@
     libs: [
         "android.test.runner",
         "android.test.base",
+        "android.test.mock",
     ],
     compile_multilib: "both",
 
     static_libs: [
         "androidx.test.rules",
+        "mockito-target",
         "framework-nearby-pre-jarjar",
         "guava",
         "libprotobuf-java-lite",