move zip template to a non-android-specific .gni file

build/config/android/internal_rules.gni

Index: build/config/android/internal_rules.gni
diff --git a/build/config/android/internal_rules.gni b/build/config/android/internal_rules.gni
index 1103cf315413c0c97535b1acd27f2b37c08d3b09..8e2cb0f825f3348fd80295e04123cd16675b0b37 100644
--- a/build/config/android/internal_rules.gni
+++ b/build/config/android/internal_rules.gni
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
+import("//build/config/zip.gni")
 import("//third_party/ijar/ijar.gni")
 
 assert(is_android)
@@ -212,46 +213,6 @@ template("dex") {
   }
 }
 
-# Creates a zip archive of the inputs.
-# If base_dir is provided, the archive paths will be relative to it.
-template("zip") {
-  set_sources_assignment_filter([])
-  assert(defined(invoker.inputs))
-  assert(defined(invoker.output))
-
-  rebase_inputs = rebase_path(invoker.inputs, root_build_dir)
-  rebase_output = rebase_path(invoker.output, root_build_dir)
-  action(target_name) {
-    forward_variables_from(invoker,
-                           [
-                             "data_deps",
-                             "deps",
-                             "public_deps",
-                             "inputs",
-                             "testonly",
-                             "visibility",
-                           ])
-    script = "//build/android/gn/zip.py"
-    depfile = "$target_gen_dir/$target_name.d"
-    outputs = [
-      depfile,
-      invoker.output,
-    ]
-    args = [
-      "--depfile",
-      rebase_path(depfile, root_build_dir),
-      "--inputs=$rebase_inputs",
-      "--output=$rebase_output",
-    ]
-    if (defined(invoker.base_dir)) {
-      args += [
-        "--base-dir",
-        rebase_path(invoker.base_dir, root_build_dir),
-      ]
-    }
-  }
-}
-
 # Write the target's .build_config file. This is a json file that contains a
 # dictionary of information about how to build this target (things that
 # require knowledge about this target's dependencies and cannot be calculated