vulkan/overlay: Add fps counter

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109747

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
24 jobs for !303 with vulkan-overlay-fps in 22 minutes and 44 seconds (queued for 8 minutes and 13 seconds)
detached
Status Job ID Name Coverage
  Build+Test
passed #136006
build:make-gallium-drivers-other

00:08:18

passed #136005
build:make-gallium-drivers-radeonsi

00:05:30

passed #136004
build:make-gallium-drivers-swr

00:13:00

passed #136007
build:make-gallium-st-clover-llvm-39

00:06:02

passed #136008
build:make-gallium-st-clover-llvm-4

00:06:14

passed #136009
build:make-gallium-st-clover-llvm-5

00:05:44

passed #136010
build:make-gallium-st-clover-llvm-6

00:06:10

passed #136011
build:make-gallium-st-clover-llvm-7

00:06:30

passed #136012
build:make-gallium-st-other

00:05:35

passed #136003
build:make-loader-classic-dri

00:10:05

passed #136002
build:make-vulkan

00:05:42

passed #135998
build:meson-gallium-clover-llvm5

00:04:55

passed #135999
build:meson-gallium-clover-llvm6

00:02:50

passed #136000
build:meson-gallium-clover-llvm7

00:05:12

passed #135997
build:meson-gallium-drivers-other

00:03:30

passed #135996
build:meson-gallium-radeonsi

00:02:29

passed #136001
build:meson-gallium-st-other

00:03:45

passed #135995
build:meson-gallium-swr

00:01:44

passed #135994
build:meson-glvnd

00:04:16

passed #135993
build:meson-loader-classic-dri

00:04:17

passed #135992
build:meson-vulkan

00:02:10

passed #136014
build:scons-llvm

00:04:29

passed #136013
build:scons-nollvm

00:04:11

passed #136015
build:scons-swr

00:07:20