[cr146] Support patched grit rules in siso.

Chromium change:
https://chromium.googlesource.com/chromium/src/+/afb52035ec87bab066d067fec29ec1b00685344c

Enable remote execution for generated_resources

Bug: 452240479
Change-Id: Ifdcc4f158e7fdf6d4806cfa1285401a145aa6048
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7509051
Commit-Queue: Neri Marschik <nerima@google.com>
Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Fumitoshi Ukai <ukai@google.com>
Cr-Commit-Position: refs/heads/main@{#1575020}

build/config/siso/brave_siso_config.star

@@ -7,7 +7,6 @@
 
 load("@builtin//runtime.star", "runtime")
 load("@builtin//struct.star", "module", "struct")
-load("./platform.star", "platform")
 
 __HOST_OS_IS_LINUX = runtime.os == "linux"
 __HOST_OS_IS_WINDOWS = runtime.os == "windows"
@@ -149,9 +148,6 @@ def __adjust_handlers(ctx, step_config, handlers):
     # Adjust rules.
     for rule in step_config["rules"]:
         rule_name = rule["name"]
-        rule_command_prefix = rule.get("command_prefix")
-        is_python_rule = rule_command_prefix and rule_command_prefix.startswith(
-            platform.python_bin)
 
         if rule_name.startswith("clang"):
             found_clang_rule = True
@@ -159,7 +155,11 @@ def __adjust_handlers(ctx, step_config, handlers):
             __wrap_with_redirect_cc_handler(ctx, rule, handlers)
             continue
 
-        if is_python_rule and rule_name.startswith(("mojo", "blink")):
+        if __is_python_rule(rule) and rule_name.startswith((
+                "blink",
+                "grit",
+                "mojo",
+        )):
             __set_rule_timeout(rule, "15m")
             __wrap_python_with_chromium_src_inputs_handler(ctx, rule, handlers)
             continue
@@ -390,6 +390,15 @@ def __is_remote_disabled(rule):
     return rule.get("remote") == False
 
 
+# Checks if a rule is a Python rule.
+def __is_python_rule(rule):
+    rule_command_prefix = rule.get("command_prefix")
+    rule_remote_command = rule.get("remote_command")
+    return (rule_command_prefix and rule_command_prefix.startswith("python3")
+            ) or (rule_remote_command
+                  and rule_remote_command.startswith("python3"))
+
+
 # Converts a path to the linux version of the llvm-build path.
 def __to_linux_llvm_build_path(path):
     return path.replace(__LLVM_BUILD_PATH, __LLVM_BUILD_PATH + "_linux", 1)