anv/android: Fix size check for imported gralloc bo

1. Don't compare bo->size to image->size. An upcoming patch replaces
anv_image::size with complicated stuff. Instead, properly query the
required size with anv_GetImageMemoryRequirements.

2. Require the bo to fit the *aligned* image size.
35 jobs for !8097 with anv-image-mem-range in 23 seconds (queued for 4 seconds)
detached
Status Job ID Name Coverage
  Sanity
passed #6900077
sanity

00:00:23

 
  Container
manual #6900080
aarch64 manual
arm_build
manual #6900081
manual
arm_test-base
manual #6900082
windows shell 1809 mesa manual
windows_build_vs2019
manual #6900078
manual
x86_build-base
manual #6900079
manual
x86_test-base
 
  Container 2
created #6900090
android_build
created #6900093
arm64_test
created #6900094
armhf_test
created #6900087
i386_build
created #6900083
kernel+rootfs_amd64
created #6900084
aarch64
kernel+rootfs_arm64
created #6900085
aarch64
kernel+rootfs_armhf
created #6900088
ppc64el_build
created #6900089
s390x_build
created #6900086
x86_build
created #6900091
x86_test-gl
created #6900092
x86_test-vk
 
  Meson X86 64
created #6900100
meson-clang
created #6900101
meson-clover
created #6900097
meson-clover-testing
created #6900098
meson-gallium
created #6900099
meson-release
created #6900095
meson-testing
created #6900096
meson-testing-asan
created #6900102
meson-vulkan
 
  Build Misc
created #6900103
meson-android
created #6900105
aarch64
meson-arm64
created #6900106
aarch64
meson-arm64-build-test
created #6900104
aarch64
meson-armhf
created #6900108
meson-i386
created #6900111
meson-mingw32-x86_64
created #6900110
kvm
meson-ppc64el
created #6900109
kvm
meson-s390x
created #6900107
allowed to fail
scons-win64