libicu is not needed in test_export am: 97778edc1d am: 7749ed5e84

Original change: https://android-review.googlesource.com/c/platform/packages/modules/RuntimeI18n/+/1438151

Change-Id: I8d1f83274e8757667634055f4bac480cd66a80c7
diff --git a/apex/Android.bp b/apex/Android.bp
index 67c7342..caefc78 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -94,7 +94,6 @@
         },
     },
     native_shared_libs: [
-        "libicu",
         "libicui18n",
         "libicuuc",
         "libicu_jni",