mapi: add GetInteger64vEXT with EXT_disjoint_timer_query

From EXT_disjoint_timer_query spec:

   "Interaction: This extension adds GetInteger64vEXT if
    OpenGL ES 3.0 is not supported"

See https://github.com/KhronosGroup/OpenGL-Registry/issues/326.

Closes: mesa/mesa#2090
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
39 jobs for !2795 with add-GetInteger64vEXT in 18 minutes and 3 seconds (queued for 4 seconds)
detached
Status Job ID Name Coverage
  Container
passed #1014737
aarch64
arm_build

00:00:37

passed #1014738
aarch64
arm_test

00:00:17

passed #1014733
lava_arm64

00:00:20

passed #1014732
lava_armhf

00:00:30

passed #1014734
x86_build

00:00:38

passed #1014736
x86_build_old

00:00:31

passed #1014735
x86_test

00:00:21

 
  Build
passed #1014740
lava-build:arm64

00:04:21

passed #1014739
lava-build:armhf

00:04:15

passed #1014744
aarch64
meson-arm64

00:10:44

passed #1014743
aarch64
meson-armhf

00:05:59

passed #1014745
meson-clang

00:07:03

passed #1014748
meson-clover

00:07:17

passed #1014749
meson-clover-old-llvm

00:06:07

passed #1014751
meson-i386

00:03:30

passed #1014742
meson-main

00:07:44

passed #1014752
meson-mingw32-x86_64

00:04:48

passed #1014741
meson-testing

00:04:40

passed #1014750
meson-vulkan

00:04:52

passed #1014753
scons

00:10:55

passed #1014754
scons-old-llvm

00:04:16

passed #1014746
scons-swr

00:06:50

passed #1014747
scons-win64

00:06:12

 
  Test
passed #1014770
db410c
arm64_a306_gles2

00:05:18

passed #1014767
mesa-cheza
arm64_a630_gles2

00:01:36

passed #1014769
mesa-cheza
arm64_a630_gles3

00:06:32

passed #1014768
mesa-cheza
arm64_a630_gles31

00:04:17

passed #1014755
lava-rk3288-veyron-jaq
panfrost-t760-test:armhf

00:06:01

passed #1014756
lava-rk3399-gru-kevin
panfrost-t860-test:arm64

00:06:10

passed #1014758
piglit-glslparser+quick_shader

00:04:22

passed #1014757
piglit-quick_gl

00:08:37

passed #1014759
test-llvmpipe-gles2

00:03:43

passed #1014760
test-softpipe-gles2

00:01:45

passed #1014763
test-softpipe-gles31 1/4

00:03:26

passed #1014761
test-softpipe-gles3 1/2

00:05:37

passed #1014764
test-softpipe-gles31 2/4

00:04:06

passed #1014765
test-softpipe-gles31 3/4

00:05:58

passed #1014766
test-softpipe-gles31 4/4

00:03:14

passed #1014762
test-softpipe-gles3 2/2

00:05:21