Revise font family translation lists under Android

* doc/emacs/android.texi (Android Environment): Revise paragraph
illustrating the startup notification.
(Android Fonts): Mention font family replacement.

* src/sfntfont-android.c (init_sfntfont_android): Translate
DejaVu Serif to either Droid Serif or Noto Serif.
2 jobs for master in 20 minutes and 6 seconds (queued for 2 minutes and 20 seconds)
Status Job ID Name Coverage
  Build Images
failed #75124
build-image-inotify

00:20:06

 
  Normal
skipped #75125
test-src-inotify
 
Name Stage Failure
failed
build-image-inotify Build Images
Pulling docker image docker:19.03.12 ...
Using docker image sha256:81f5749c9058a7284e6acd8e126f2b882765a17b9ead14422b51cde1a110b85c for docker:19.03.12 ...
Running on runner-2oEDrUT7-project-1-concurrent-0 via emba.gnu.org...
$ git config --global http.proxy $HTTP_PROXY; git config --global https.proxy $HTTPS_PROXY
Fetching changes with git depth set to 50...
Reinitialized existing Git repository in /builds/emacs/emacs/.git/
error: RPC failed; HTTP 502 curl 22 The requested URL returned error: 502
fatal: the remote end hung up unexpectedly
ERROR: Job failed: exit code 1