Add CreateWindowCapturer() and CreateScreenCapturer() in DesktopCapturer

webrtc/modules/desktop_capture/desktop_capture.gni

Index: webrtc/modules/desktop_capture/desktop_capture.gni
diff --git a/webrtc/examples/androidapp/third_party/autobanh/BUILD.gn b/webrtc/modules/desktop_capture/desktop_capture.gni
similarity index 76%
copy from webrtc/examples/androidapp/third_party/autobanh/BUILD.gn
copy to webrtc/modules/desktop_capture/desktop_capture.gni
index d5f6b0f2d6a043aa2b439e30648e39cbd5bc20d1..02ad81472f26594b72df73ce8d761106287fdcfb 100644
--- a/webrtc/examples/androidapp/third_party/autobanh/BUILD.gn
+++ b/webrtc/modules/desktop_capture/desktop_capture.gni
@@ -6,8 +6,6 @@
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
-import("//build/config/android/rules.gni")
+import("../../build/webrtc.gni")
 
-android_java_prebuilt("autobanh_java") {
-  jar_path = "lib/autobanh.jar"
-}
+rtc_desktop_capture_supported = is_win || is_mac || is_linux