Merge branch 'add_timidityae' into 'master'

Add TimidityAE app

At the moment gated by https://github.com/xperia64/timidity-ae/pull/6.
I'll reopen when it get merged.

See merge request !1604

metadata/com.xperia64.timidityae.txt

@@ -0,0 +1,28 @@
+AntiFeatures:NonFreeAssets
+Categories:Multimedia
+License:GPLv2
+Web Site:
+Source Code:https://github.com/xperia64/timidity-ae
+Issue Tracker:https://github.com/xperia64/timidity-ae/issues
+
+Auto Name:TimidityActivity
+Summary:MIDI player using Timidity++ library
+Description:
+Multimedia player focused on playing MIDI files. Instead of built-in Android
+MIDI playing features, it uses Timidity++ engine and allows specifying
+soundfonts and options. Included soundfont 8Rock11e seems to have non-free
+license "Distribute freely. Don't disassemble."
+.
+
+Repo Type:git
+Repo:https://github.com/xperia64/timidity-ae
+
+Build:2.7.5,80
+    commit=9f29d54802db4523dec38f4ddb5d6950ef2f40bb
+    gradle=yes
+    buildjni=yes
+
+Auto Update Mode:None
+Update Check Mode:Tags
+Current Version:2.7.5
+Current Version Code:80