Add openjdk 15 to Java matrix testing rotation (#51335)

mark-vieira · mark-vieira · commit 49ae3be5b2eb · 2020-01-22T13:57:25.000-08:00
diff --git a/.ci/matrix-runtime-javas.yml b/.ci/matrix-runtime-javas.yml
@@ -13,6 +13,7 @@ ES_RUNTIME_JAVA:
   - openjdk12
   - openjdk13
   - openjdk14
+  - openjdk15
   - zulu8
   - zulu11
   - zulu12
