Remove generate-operator-out.py symlinks

Rewrite the operator out step to use a python_host_binary instead.
Test: mma -j50

Change-Id: I1503ad9851bf6d7bae8964f7cb91ba7f19b660ca
diff --git a/runtime/Android.bp b/runtime/Android.bp
index 1ac770f..dc0813d 100644
--- a/runtime/Android.bp
+++ b/runtime/Android.bp
@@ -434,8 +434,8 @@
 
 gensrcs {
     name: "art_operator_srcs",
-    cmd: "$(location generate-operator-out.py) art/runtime $(in) > $(out)",
-    tool_files: ["generate-operator-out.py"],
+    cmd: "$(location generate_operator_out) art/runtime $(in) > $(out)",
+    tools: ["generate_operator_out"],
     srcs: [
         "arch/instruction_set.h",
         "base/allocator.h",