Merge "webkit: add a note regarding FLAG_SECURE for default dialogs" into...

Merge "webkit: add a note regarding FLAG_SECURE for default dialogs" into rvc-dev am: f7484457 am: efe6c29f am: 3aa2e1fd am: 9198efc7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11617993

Change-Id: I66ecc3a9c4737d0cd32a64767c56d1f6f63a343c