Leaky ReLU operator in Subgraph API

PiperOrigin-RevId: 315817869
diff --git a/BUILD.bazel b/BUILD.bazel
index 268969f..2029c89 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -86,6 +86,7 @@
     "src/subgraph/fully-connected.c",
     "src/subgraph/floor.c",
     "src/subgraph/hardswish.c",
+    "src/subgraph/leaky-relu.c",
     "src/subgraph/max-pooling-2d.c",
     "src/subgraph/maximum2.c",
     "src/subgraph/minimum2.c",