Hotfix for Android 12 support

Summary:
Bug reported on github #1114.

This is a common issue with the Android 12 rollout, notably `androidx.test:core` defines test activities with intent-filters without specifying an explicit `android:exported` value. Version `1.4.0` fixes this issue.

Reviewed By: jawwad

Differential Revision: D39930204

fbshipit-source-id: b84070e1a867e91568b1e6032ecfde0bd72205b1

buildSrc/src/main/kotlin/Dependencies.kt

@@ -20,7 +20,7 @@ object Versions {
   const val androidxEspressoCore = "3.1.0"
   const val androidxFragment = "1.3.0"
   const val androidxLegacy = "1.0.0"
-  const val androidxTest = "1.0.0"
+  const val androidxTest = "1.4.0"
   const val assertj = "3.15.0"
   const val dexmaker = "1.2"
   const val dokka = "1.4.30"