ci/freedreno: Add glx-copy-sub-buffer to flakes on a530 and a630.

A630 just had one sample count marked, but when piglit's been shuffled,
samples=4 and non-msaa have showed up too.  Looks like from our history
a530 is flaky on it too.

Part-of: <!10933>
56 jobs for !10933 with ci-fd-flakes in 22 minutes and 24 seconds (queued for 4 seconds)
latest detached
Status Job ID Name Coverage
  Sanity
passed sanity #10046685

00:00:08

 
  Container
passed arm_build #10046690
aarch64

00:00:23

passed windows_build_vs2019 #10046692
windows shell 1809 mesa

00:00:10

passed x86_build-base #10046687

00:00:19

passed x86_test-base #10046688

00:00:19

 
  Container 2
passed android_build #10046701

00:00:18

passed i386_build #10046696

00:00:21

passed kernel+rootfs_amd64 #10046706

00:00:13

passed kernel+rootfs_arm64 #10046708
aarch64

00:01:07

passed kernel+rootfs_armhf #10046710
aarch64

00:00:12

passed ppc64el_build #10046698

00:00:23

passed s390x_build #10046700

00:00:23

passed x86_build #10046694

00:00:21

passed x86_test-gl #10046703

00:00:23

passed x86_test-vk #10046705

00:00:18

 
  Meson X86 64
passed meson-clang #10046721

00:10:01

passed meson-clover #10046723

00:01:18

passed meson-clover-testing #10046716

00:02:44

passed meson-gallium #10046718

00:03:01

passed meson-release #10046719

00:03:38

passed meson-testing #10046713

00:02:48

passed meson-testing-asan #10046714

00:03:43

passed meson-vulkan #10046724

00:02:43

 
  Build Misc
passed arm_test #10046726

00:00:18

passed meson-android #10046728

00:00:34

passed meson-arm64 #10046731
aarch64

00:01:39

passed meson-arm64-asan #10046733
aarch64

00:03:56

passed meson-arm64-build-test #10046735
aarch64

00:01:28

passed meson-armhf #10046729
aarch64

00:01:39

passed meson-i386 #10046737

00:01:18

passed meson-mingw32-x86_64 #10046739

00:04:08

 
  Freedreno
passed a306_gles2 #10046740
google-freedreno-db410c

00:04:52

passed a306_gles3 1/3 #10046742
google-freedreno-db410c

00:09:11

passed a306_gles3 2/3 #10046744
google-freedreno-db410c

00:08:53

passed a306_gles3 3/3 #10046745
google-freedreno-db410c

00:09:00

passed a306_gles3_options #10046747
google-freedreno-db410c

00:03:47

passed a306-traces #10046749
google-freedreno-db410c

00:07:26

passed a530_gles2 #10046751
google-freedreno-db820c

00:05:50

passed a530_gles31 1/2 #10046757
google-freedreno-db820c

00:06:37

passed a530_gles3 1/2 #10046753
google-freedreno-db820c

00:08:01

passed a530_gles31 2/2 #10046759
google-freedreno-db820c

00:06:00

passed a530_gles3 2/2 #10046755
google-freedreno-db820c

00:07:25

passed a530_piglit_gl #10046761
google-freedreno-db820c

00:10:13

passed a530_piglit_shader #10046763
google-freedreno-db820c

00:08:47

passed a530-traces #10046765
google-freedreno-db820c

00:14:19

passed a630_egl #10046775
google-freedreno-cheza

00:02:36

passed a630_gl #10046773
google-freedreno-cheza

00:01:27

passed a630_gles2 #10046767
google-freedreno-cheza

00:01:44

passed a630_gles3 #10046771
google-freedreno-cheza

00:04:54

passed a630_gles31 #10046769
google-freedreno-cheza

00:04:01

passed a630_gles_others #10046777
google-freedreno-cheza

00:02:49

passed a630_piglit #10046785
google-freedreno-cheza

00:09:57

passed a630-traces #10046787
google-freedreno-cheza

00:08:25

passed a630_vk 1/2 #10046779
google-freedreno-cheza

00:10:58

passed a630_vk 2/2 #10046781
google-freedreno-cheza

00:11:00

passed a630_vk_sysmem #10046783
google-freedreno-cheza

00:02:12