Limit external/slf4j visibility.android-t-preview-2android-t-preview-1android-t-beta-3android-s-v2-beta-3android-s-qpr3-beta-1android-t-preview-1android-s-v2-beta-3android-s-qpr3-beta-1

SLF4J is used in mockftpserver only and both of them are used in tests
only.
FTP support probably could be dropped, but in mean time we can
explicitly point out that none of SLF4J or mockftpserver reaches prod
code / env.

Bug: 210532587
Bug: 210594275
Test: atest FtpURLConnectionTest
Change-Id: Ic1257ee5ec44dc093e017ca55fc462666d735892

1 files changed, 5 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 5b9941a3..e653f3fc 100644
--- a/Android.bp
+++ b/Android.bp
@@ -65,4 +65,9 @@ java_library {
     ],
 
     sdk_version: "core_current",
+    // SLF4J is used by mockftpserver, both of them are used in tests only.
+    visibility: [
+        "//external/mockftpserver",
+        "//libcore",
+    ],
 }