Replace testing-support-lib with androidx target

Summary: Changelog: [Internal] - codemod testing library Buck redirect to actual dependency

Reviewed By: hick209

Differential Revision: D41194082

fbshipit-source-id: 5f4815613fda53a213feb78de2cf4430b7eef9c7

ReactAndroid/src/androidTest/buck-runner/BUCK

@@ -14,7 +14,6 @@ rn_android_binary(
     use_split_dex = True,
     deps = [
         react_native_dep("libraries/soloader/java/com/facebook/soloader:soloader"),
-        react_native_dep("third-party/java/testing-support-lib:exposed-instrumentation-api"),
         react_native_integration_tests_target("assets:assets"),
         react_native_integration_tests_target("java/com/facebook/react/tests:tests"),
         react_native_target("java/com/facebook/react/devsupport:devsupport"),