flatDir support [Android]

SConstruct

@@ -72,6 +72,7 @@ env_base.AppendENVPath('PATH', os.getenv('PATH'))
 env_base.AppendENVPath('PKG_CONFIG_PATH', os.getenv('PKG_CONFIG_PATH'))
 env_base.global_defaults = global_defaults
 env_base.android_maven_repos = []
+env_base.android_flat_dirs = []
 env_base.android_dependencies = []
 env_base.android_gradle_plugins = []
 env_base.android_gradle_classpath = []
@@ -96,6 +97,7 @@ env_base.SetOption('implicit_cache', 1)
 
 
 env_base.__class__.android_add_maven_repository = methods.android_add_maven_repository
+env_base.__class__.android_add_flat_dir = methods.android_add_flat_dir
 env_base.__class__.android_add_dependency = methods.android_add_dependency
 env_base.__class__.android_add_java_dir = methods.android_add_java_dir
 env_base.__class__.android_add_res_dir = methods.android_add_res_dir

methods.py

@@ -1360,6 +1360,10 @@ def win32_spawn(sh, escape, cmd, args, spawnenv):
 	return exit_code
 """
 
+def android_add_flat_dir(self, dir):
+    if (dir not in self.android_flat_dirs):
+        self.android_flat_dirs.append(dir)
+
 def android_add_maven_repository(self, url):
     if (url not in self.android_maven_repos):
         self.android_maven_repos.append(url)

platform/android/SCsub

@@ -46,8 +46,18 @@ gradle_baseout = open_utf8(abspath + "/java/build.gradle", "w")
 
 gradle_text = gradle_basein.read()
 
-
+gradle_maven_flat_text = ""
+if len(env.android_flat_dirs) > 0:
+    gradle_maven_flat_text += "flatDir {\n"
+    gradle_maven_flat_text += "\tdirs "
+    for x in env.android_flat_dirs:
+        gradle_maven_flat_text += "'" + x + "',"
+
+    gradle_maven_flat_text = gradle_maven_flat_text[:-1]
+    gradle_maven_flat_text += "\n\t}\n"
+ 
 gradle_maven_repos_text = ""
+gradle_maven_repos_text += gradle_maven_flat_text
 
 if len(env.android_maven_repos) > 0:
     gradle_maven_repos_text += ""