Re-export necessary headers to use exported headers

- Headers of libui and libstageflight_bufferqueue_helper need to be
  exported to use exported headers of this library.

Bug: 109909227
Test: pi-arc-dev build passes.
Change-Id: Ia501c0c12abf7a079a4c253c3923e84a4d6cbc7e
diff --git a/codec2/hidl/1.0/utils/Android.bp b/codec2/hidl/1.0/utils/Android.bp
index aa1f18b..1641e51 100644
--- a/codec2/hidl/1.0/utils/Android.bp
+++ b/codec2/hidl/1.0/utils/Android.bp
@@ -49,7 +49,9 @@
         "hardware.google.media.c2@1.0",
         "libhidlbase",
         "libstagefright_bufferpool@1.0",
+        "libstagefright_bufferqueue_helper",
         "libstagefright_codec2",
+        "libui",
     ],
 }