🎊 Have build_config targets depend only on other build_config targets

build/config/android/rules.gni

Index: build/config/android/rules.gni
diff --git a/build/config/android/rules.gni b/build/config/android/rules.gni
index 4cb5b4d6bce6cdba26e10600cd815ca603f9fd11..841b6e61b6d066f269d0e0a2f2d20ce8afa3b464 100644
--- a/build/config/android/rules.gni
+++ b/build/config/android/rules.gni
@@ -710,6 +710,7 @@ if (enable_java_templates) {
   #     is specified.
   #   android_manifest: AndroidManifest.xml for this target. Defaults to
   #     //build/android/AndroidManifest.xml.
+  #   android_manifest_dep: Target that generates AndroidManifest (if applicable)
   #   custom_package: java package for generated .java files.
   #   v14_skip: If true, don't run v14 resource generator on this. Defaults to
   #     false. (see build/android/gyp/generate_v14_compatible_resources.py)
@@ -746,14 +747,23 @@ if (enable_java_templates) {
     final_target_name = target_name
 
     write_build_config(build_config_target_name) {
+      type = "android_resources"
       forward_variables_from(invoker,
                              [
                                "android_manifest",
                                "custom_package",
-                               "deps",
                                "resource_dirs",
                              ])
 
+      if (defined(invoker.deps)) {
+        possible_config_deps = invoker.deps
+      }
+      if (defined(invoker.android_manifest_dep)) {
+        deps = [
+          invoker.android_manifest_dep,
+        ]
+      }
+
       # No package means resources override their deps.
       if (defined(custom_package) || defined(android_manifest)) {
         r_text = r_text_path
@@ -761,15 +771,12 @@ if (enable_java_templates) {
         assert(defined(invoker.deps),
                "Must specify deps when custom_package is omitted.")
       }
-      visibility = [ ":$process_resources_target_name" ]
 
-      type = "android_resources"
       resources_zip = zip_path
       srcjar = srcjar_path
     }
 
     process_resources(process_resources_target_name) {
-      visibility = [ ":$final_target_name" ]
       forward_variables_from(invoker,
                              [
                                "app_as_shared_lib",
@@ -786,6 +793,9 @@ if (enable_java_templates) {
         deps = []
       }
       deps += [ ":$build_config_target_name" ]
+      if (defined(invoker.android_manifest_dep)) {
+        deps += [ invoker.android_manifest_dep ]
+      }
 
       # Always generate R.onResourcesLoaded() method, it is required for
       # compiling ResourceRewriter, there is no side effect because the
@@ -849,13 +859,15 @@ if (enable_java_templates) {
     _build_config_target_name = "${target_name}__build_config"
 
     write_build_config(_build_config_target_name) {
-      forward_variables_from(invoker,
-                             [
-                               "deps",
-                               "disable_compression",
-                             ])
       type = "android_assets"
       build_config = _build_config
+
+      forward_variables_from(invoker, [ "disable_compression" ])
+
+      if (defined(invoker.deps)) {
+        possible_config_deps = invoker.deps
+      }
+
       if (defined(invoker.sources)) {
         asset_sources = invoker.sources
       }
@@ -895,13 +907,18 @@ if (enable_java_templates) {
   #  }
   template("java_group") {
     write_build_config("${target_name}__build_config") {
-      forward_variables_from(invoker, [ "deps" ])
       type = "group"
       build_config = "$target_gen_dir/${invoker.target_name}.build_config"
+
+      if (defined(invoker.deps)) {
+        possible_config_deps = invoker.deps
+      }
     }
     group(target_name) {
-      deps = []
       forward_variables_from(invoker, "*")
+      if (!defined(deps)) {
+        deps = []
+      }
       deps += [ ":${target_name}__build_config" ]
     }
   }
@@ -929,7 +946,6 @@ if (enable_java_templates) {
     build_config = base_path + ".build_config"
 
     write_build_config("${target_name}__build_config") {
-      forward_variables_from(invoker, [ "deps" ])
       type = "android_resources"
     }
 
@@ -939,6 +955,7 @@ if (enable_java_templates) {
     grit_target_name = "${target_name}__grit"
     grit_output_dir = "$target_gen_dir/$extra_output_path"
     grit(grit_target_name) {
+      forward_variables_from(invoker, [ "deps" ])
       grit_flags = [
         "-E",
         "ANDROID_JAVA_TAGGED_ONLY=false",
@@ -999,7 +1016,6 @@ if (enable_java_templates) {
     final_target_name = target_name
 
     write_build_config(build_config_target_name) {
-      visibility = [ ":$zip_target_name" ]
       type = "android_resources"
     }
 
@@ -1610,18 +1626,19 @@ if (enable_java_templates) {
       android_manifest = _android_manifest
 
       deps = _android_manifest_deps
+
       if (defined(invoker.deps)) {
-        deps += invoker.deps
+        possible_config_deps = invoker.deps
       }
 
       if (defined(invoker.alternative_locale_resource_dep)) {
-        deps += [ invoker.alternative_locale_resource_dep ]
+        possible_config_deps += [ invoker.alternative_locale_resource_dep ]
         has_alternative_locale_resource = true
       }
 
       # Added emma to the target's classpath via its .build_config.
       if (emma_coverage && !_emma_never_instrument) {
-        deps += [ "//third_party/android_tools:emma_device" ]
+        possible_config_deps += [ "//third_party/android_tools:emma_device" ]
       }
 
       proguard_enabled = _proguard_enabled