Rename namespace-sandbox/-runner to linux-sandbox.

--
MOS_MIGRATED_REVID=127538990
diff --git a/src/main/java/com/google/devtools/build/lib/sandbox/BUILD b/src/main/java/com/google/devtools/build/lib/sandbox/BUILD
index 1fe3fba..6071bfc 100644
--- a/src/main/java/com/google/devtools/build/lib/sandbox/BUILD
+++ b/src/main/java/com/google/devtools/build/lib/sandbox/BUILD
@@ -6,7 +6,7 @@
     name = "sandbox",
     srcs = glob(["*.java"]),
     data = [
-        "//src/main/tools:namespace-sandbox",
+        "//src/main/tools:linux-sandbox",
     ],
     deps = [
         "//src/main/java/com/google/devtools/build/lib:build-base",