Rename UnloadedToolchainContextKey to ToolchainContextKey.

Cleanup leading to toolchain transitions, #10523.

Closes #11336.

PiperOrigin-RevId: 311112930
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/BUILD b/src/test/java/com/google/devtools/build/lib/skyframe/BUILD
index d030cab..81d147e 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/BUILD
@@ -225,7 +225,7 @@
         "//src/main/java/com/google/devtools/build/lib/skyframe:transitive_traversal_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe:tree_artifact_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe:unloaded_toolchain_context",
-        "//src/main/java/com/google/devtools/build/lib/skyframe:unloaded_toolchain_context_key",
+        "//src/main/java/com/google/devtools/build/lib/skyframe:toolchain_context_key",
         "//src/main/java/com/google/devtools/build/lib/skyframe:workspace_ast_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe:workspace_name_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe/serialization",