[WebView Support Library] roll boundary interfaces to bfaef85

This rolls the boundary interfaces for the androidx.webkit module
to include the following commit range:
https://android.googlesource.com/platform/external/webview_support_interfaces/+log/426a3a6c9bf9ceeebe76575d9891188b496ba013..bfaef85a184707a4992e1a8e952a63dfb99c7f76

Test: N/A
1 file changed
tree: 7b47ce6a7b142f1aeea3a18c1c8687535ec47a47
  1. default.xml