gn2bp: Use aprotoc in protoc_wrapper.py

Test: ./update_result.sh
Change-Id: I050ca54ca3f98a0fc6ced1f603b1db502c0a189c
diff --git a/tools/gn2bp/gen_android_bp b/tools/gn2bp/gen_android_bp
index 3811c3a..33d1b71 100755
--- a/tools/gn2bp/gen_android_bp
+++ b/tools/gn2bp/gen_android_bp
@@ -856,6 +856,12 @@
     # Specifying file under $(genDir) so that parent directory exists.
     # If this file is used by other module, we may need to add this file to the outputs.
     target.args[2] = '$(genDir)/' + target.args[2].split('/')[-1]
+  elif target.script == "//tools/protoc_wrapper/protoc_wrapper.py":
+    # Use protoc in the android
+    module.tools.add("aprotoc")
+    for i, val in enumerate(target.args):
+      if val == '--protoc':
+        target.args[i + 1] = '$(location aprotoc)'
 
   script = gn_utils.label_to_path(target.script)
   module.tool_files.add(script)