Android: Re-enable use_debug_fission=true when use_mold=true

Bug: 40208899
Change-Id: Iec93ec5ad256867163a040dee2dc8630595b9ed6
Cq-Include-Trybots: luci.chrome.try:android-internal-dbg,android-internal-binary-size
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7808608
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1625481}
NOKEYCHECK=True
GitOrigin-RevId: 4fc26b86d005dc0b8402f073b83a20b7dc6672d4