Merge "Hand speex over to the janitors." into main am: 5e073aa662

Original change: https://android-review.googlesource.com/c/platform/external/speex/+/3038479

Change-Id: I9230215359b737610459e28f9a90390ffdfbd804
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>