//src/test/shell/bazel:toolchain_test: increase size

...and shard count, to avoid timeouts. See #3619.

Change-Id: I52c0d1a2bcf8e7e6c5c01db58bdddc87fb9e7f07
PiperOrigin-RevId: 166696089
diff --git a/src/test/shell/bazel/BUILD b/src/test/shell/bazel/BUILD
index fdc493c..457c216 100644
--- a/src/test/shell/bazel/BUILD
+++ b/src/test/shell/bazel/BUILD
@@ -480,9 +480,10 @@
 
 sh_test(
     name = "toolchain_test",
-    size = "medium",
+    size = "large",
     srcs = ["toolchain_test.sh"],
     data = [":test-deps"],
+    shard_count = 5,
 )
 
 sh_test(