Don't check includes in generate_jar_jni target

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 aa1fd2a6a3c803905b1636a440e157460449b70a..7c5a8352d445be358236cda2254a030031d24f3c 100644
--- a/build/config/android/rules.gni
+++ b/build/config/android/rules.gni
@@ -160,6 +160,8 @@ template("generate_jar_jni") {
     jni_target_name = "${target_name}__jni_${classname}"
     jni_actions += [ ":$jni_target_name" ]
     action(jni_target_name) {
+      # The sources aren't compiled so don't check their dependencies.
+      check_includes = false
       depfile = "$target_gen_dir/$target_name.d"
       script = "//base/android/jni_generator/jni_generator.py"
       sources = [