This adds a custom logging step to DisplayAndroid and DisplayVkAndroid.
It's easiest to add to these two classes since we have no common info
logging code and other platforms may not want startup spam. It would
also be possible to put this into debug info hooks.

Bug: angleproject:2823
Change-Id: I12a1ea9e27880648d8a73a9e3faa56f318620cbe
Reviewed-on: https://chromium-review.googlesource.com/1230273Reviewed-by: Ian Elliott <ianelliott@google.com>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Cody Northrop <cnorthrop@google.com>