Diet version of Frida-gum doesn't build on Android ARM64

[romanenkor]

The diet version of Frida-gum doesn't build on Android ARM64.

Meson log attached.

Error logs:

`ld: error: undefined hidden symbol: _gum_exceptor_backend_prepare_to_fork

referenced by gum.c:343 (../gum/gum.c:343)
ninja-log.txt gum/libfrida-gum-1.0.so.p/gum.c.o:(gum_prepare_to_fork)

ld: error: undefined hidden symbol: _gum_exceptor_backend_recover_from_fork_in_parent

referenced by gum.c:349 (../gum/gum.c:349)
gum/libfrida-gum-1.0.so.p/gum.c.o:(gum_recover_from_fork_in_parent)

---- etc. --- ...
`

[yujack008]

try ndkVersion "23.1.7779620"