Add license type: contains EPL = RECIPROCAL license

Bug: 68860345
Bug: 69058154
Bug: 151953481

Test: no code changes
Change-Id: I8b820dc41c74231bc99f57617af50840ce20d63f
diff --git a/METADATA b/METADATA
index 2a2d270..98e7e51 100644
--- a/METADATA
+++ b/METADATA
@@ -10,6 +10,7 @@
     value: "https://github.com/junit-team/junit4/archive/r4.12.tar.gz"
   }
   version: "r4.12"
+  license_type: RECIPROCAL
   last_upgrade_date {
     year: 2016
     month: 12