[android] publishing to maven central

[IvanKobzarev]

Stack from ghstack:

• [android] publishing to maven central #3552 [android] publishing to maven central
• [android] gradle wrapper #3551 [android] gradle wrapper
  Bintray, JCenter are going to be unavailable on May 1st

https://jfrog.com/blog/into-the-sunset-bintray-jcenter-gocenter-and-chartcenter/

Migrating publishing to maven central, the same way as for main pytorch repo: pytorch/pytorch#53568

to publish:

./android/gradlew -p android publish

[codecov]

Codecov Report

Merging #3552 (e42f65e) into gh/ivankobzarev/3/base (225b0fa) will not change coverage.
The diff coverage is n/a.

@@                   Coverage Diff                   @@
##           gh/ivankobzarev/3/base    #3552   +/-   ##
=======================================================
  Coverage                   79.23%   79.23%           
=======================================================
  Files                         105      105           
  Lines                        9750     9750           
  Branches                     1567     1567           
=======================================================
  Hits                         7725     7725           
  Misses                       1537     1537           
  Partials                      488      488           

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[fmassa]

Thanks!