Adding unit test to makeSpaceForHotseatMigration

Flag: NA
Bug: 318417510
Test: atest HotseatReorderUnitTest
Change-Id: If4fe388d00138b2d43693df0cf79abb16f354291
diff --git a/tests/Android.bp b/tests/Android.bp
index 310e418..ed8609e 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -176,6 +176,7 @@
     name: "launcher-testing-shared",
     srcs: [
         "multivalentTests/shared/com/android/launcher3/testing/shared/**/*.java",
+        "multivalentTests/shared/com/android/launcher3/testing/shared/**/*.kt"
     ],
     resource_dirs: [],
     manifest: "multivalentTests/shared/AndroidManifest.xml",