Add empty java/constraints/BUILD

To be filled up with content in a followup cl.

RELNOTES: None.
PiperOrigin-RevId: 253552691
Change-Id: Ic35d6b82c42a9854d2173db2e5babea06e080c66

java/constraints/BUILD

diff --git a/java/constraints/BUILD b/java/constraints/BUILD
new file mode 100644
index 0000000..09dd18c
--- /dev/null
+++ b/java/constraints/BUILD
@@ -0,0 +1,5 @@
+# Standard constraint_settings and constraint_values for Java.
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])