Move to OpenSSL as a git submodule. Redundant for platforms where it's not used, but makes fdroid easier.

.fdroid.yml

@@ -19,8 +19,8 @@ Builds:
       - no
     build:
       - mkdir bin/
-      - ANDROID_SDK=$$SDK$$ ANDROID_NDK=$$NDK$$ make -C ../../ -j`nproc` out/apk/TildeFriends-arm-release.unsigned.apk
+      - ANDROID_SDK=$$SDK$$ ANDROID_NDK=$$NDK$$ make -C ../../ -j`nproc` fdroid
     ndk: 26.3.11579264
 
-AutoUpdateMode: None
+AutoUpdateMode: Version ^v[0-9\.]+$
 UpdateCheckMode: Tags