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This compiles and links NSS/application-services with lto, and also adds a check
which will make the building of the application-services project fail if it finds
networking symbols in the final built libraries.

Versions bump and Changelog update

This inclues the build time improvements that landed in #33289 and
rbm#40005.

We are in shape now for having Fenix-based nightly builds.

https://bugzilla.mozilla.org/show_bug.cgi?id=1612423 does that for us
now when using mingw-w64.

It seems our timestamp related patch is not needed anymore as building
the .exe files twice without it gives the exact same result.

We can remove the workaround for #31564 as Fenix is using the Android
Gradle Plugin 3.5.0 where the original reproducibility issue is supposed
to be fixed (see:
tpo/applications/tor-browser#31564 (comment 2665983)).

Using Glean 32.1.1 (via android-components 56.0.0 or later) did not land
yet in the application-services tag which Fenix and android-components
depend on. Thus, we patch application-services to include the earliest
version of android-components shipping Glean 32.1.1.

We make small adjustments while bumping the versions:

a) We remove the explicit nightly target for `android-components`. If we
need it at some point we can add it back. Meanwhile duplicating the
commits/versions has just additional costs for us when bumping them and
it is not clear anyway that we want to use a non-release commit for
`android-components` in our builds.

b) We adapt the targets in Fenix as all of them got simplified into
`debug`, `nightly`, `beta`, and `release`.

After https://bugzilla.mozilla.org/show_bug.cgi?id=1656993 landed we
can either run `./mach create-mach-environment` or set
`MACH_USE_SYSTEM_PYTHON` to fix build breakage caused by `mach`. We do
the latter as the former fails in our no-network-scenario, too.

With this tor-onion-proxy-library and tor-android-service will build fat
aars with all the archs we support. We copy those over the fenix/app/
folder so that the Fenix build system picks them up for the final apks.

We remove the Fenix targets that were due to Fennec-based builds still
being around. Additionally, we move the *fenix* projects to their
non-Fenix counterparts in case they only existed due to Fennec-based
builds. Thirdly, we do a firefox project clean-up as all the mobile bits
moved to the geckoview project.