Update to upstream version '14.0.0+r11'
with Debian dir e8146547a00b96524f11f10091ec5e169225c127

Update to upstream version '14~beta1'
with Debian dir 20766909cf1121ba7377ceeaaab70be2a1571150

- Support update to preview/beta from upstream.
- Add check whether there is real changes in new upstream version.
  If not, revert the gbp import.

This is just the chrono header copied from libstdc++-13-dev, with
_S_fractiona_width's type changed:

-       static constexpr int
+       static consteval int
        _S_fractional_width()

This solution is copied from:
- chromium-team/chromium@cedac643

Closes: #1037575

Update to upstream version '13.0.0+r24'
with Debian dir 36b2086304ccf881065b68b09e9c341ddd12ad73

Fix some issues reported by lintian

See merge request !8

Changes-By: lintian-brush
Fixes: lintian: out-of-date-standards-version
See-also: https://lintian.debian.org/tags/out-of-date-standards-version.html

Changes-By: lintian-brush
Fixes: lintian: package-uses-old-debhelper-compat-version
See-also: https://lintian.debian.org/tags/package-uses-old-debhelper-compat-version.html

Changes-By: lintian-brush
Fixes: lintian: out-of-date-copyright-format-uri
See-also: https://lintian.debian.org/tags/out-of-date-copyright-format-uri.html

Closes: #1026716

Exporting gdwarf-4, until new dwz starts understanding dwarf-5 format
(so we should in the future re-evaluate this cflag and remove it).
Also, it would be nice to disable lto, I don't think it makes any sense
in android toolchain.