While populating VkApplicationInfo::pApplicationName
we are hardcoding the value to "ANGLE", instead query
the value from the sytem.

Bug: angleproject:4955
Change-Id: I222d5d1c0f497bf708389caa048d8b180c1bdecc
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2352625
Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Ian Elliott <ianelliott@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>