Backport Android cleanup parts from #7123 (#7513)
authorLoïc Blot <nerzhul@users.noreply.github.com>
Sun, 1 Jul 2018 10:23:38 +0000 (12:23 +0200)
committerGitHub <noreply@github.com>
Sun, 1 Jul 2018 10:23:38 +0000 (12:23 +0200)
commit7d20ff47d7ce83825ccad81427fc8b45f80a2a2c
treec15a655ea28598ba376e718180e7a6cba8cda28e
parentad3d1d20d10ac193d6ef9d7967571d443c11b9af
Backport Android cleanup parts from #7123 (#7513)

Also resync properly the dependencies versions.

Don't let the makefile handle the cleanups itself. Let gradle do it.

This is one of the first steps to remove the makefile and replace it with a full gradle support
build/android/Makefile
build/android/build.gradle