Add visibity for androidx prebuilts. am: 7224d40f76

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/kotlinx.metadata/+/15689900

Change-Id: I0b523788307b9c72513324e51c43024219eb5b73
diff --git a/Android.bp b/Android.bp
index df1881f..e3b3fa4 100644
--- a/Android.bp
+++ b/Android.bp
@@ -22,5 +22,6 @@
     visibility: [
         "//external/dagger2",
         "//external/kotlinx.atomicfu",
+        "//prebuilts/sdk/current/androidx",
     ],
 }