Fix build error when using wayland-egl am: c797d5ea8c am: 9a13a71b98 am: 387decb6c6 am: 1099df62c1

Original change: https://android-review.googlesource.com/c/platform/external/wayland/+/1895842

Change-Id: I8a595815c12a5b84bf2ee5e3921a458d1fe1de31
diff --git a/Android.bp b/Android.bp
index d5e1acd..dd28bc7 100644
--- a/Android.bp
+++ b/Android.bp
@@ -129,7 +129,7 @@
     generated_headers: [
         "wayland_core_client_protocol_headers",
     ],
-    export_include_dirs: ["src"],
+    export_include_dirs: ["src", "egl"],
     export_generated_headers: [
         "wayland_core_client_protocol_headers",
     ],