The UpdateCheckData moved on the remote URL

Also installs `buildozer` under Python3 via `pip3` as some of the build
steps now requires Python3.
Note that python2.7 is still a required dependency from buildozer, refs:
https://github.com/kivy/buildozer/blob/586152c/buildozer/__init__.py#L582

metadata/com.github.andremiras.etheroll.yml

@@ -61,6 +61,24 @@ Builds:
     build: PATH="$HOME/.local/bin:$PATH" buildozer android release
     ndk: r17c
 
+  - versionName: '2019.0911'
+    versionCode: 721202811
+    commit: v2019.0911
+    sudo:
+      - apt-get update || apt-get update
+      - apt-get install -y build-essential libffi-dev libltdl-dev python2.7 zlib1g-dev
+    output: bin/etheroll-$$VERSION$$-release-unsigned.apk
+    srclibs:
+      - buildozer@586152c
+    prebuild:
+      - sed -r "s:#?android.sdk_path =.*:android.sdk_path = $$SDK$$:" -i buildozer.spec
+      - sed -r "s:#?android.ndk_path =.*:android.ndk_path = $$NDK$$:" -i buildozer.spec
+      - sed -r "s:#?android.accept_sdk_license =.*:android.accept_sdk_license = False:"
+        -i buildozer.spec
+      - pip3 install --user --upgrade $$buildozer$$ Cython==0.28.6
+    build: PATH="$HOME/.local/bin:$PATH" buildozer android release
+    ndk: r17c
+
 MaintainerNotes: |-
     The build relies on buildozer master (post 0.39 release) which fixes issues
     with unsigned releases.
@@ -71,7 +89,7 @@ MaintainerNotes: |-
 
 AutoUpdateMode: Version v%v
 UpdateCheckMode: HTTP
-UpdateCheckData: https://raw.githubusercontent.com/AndreMiras/EtherollApp/develop/src/version.py|__version_code__
+UpdateCheckData: https://raw.githubusercontent.com/AndreMiras/EtherollApp/develop/src/etherollapp/version.py|__version_code__
     = (\d+)|.|__version__ = '(\d+\.\d+)'
-CurrentVersion: '2019.0624'
-CurrentVersionCode: 721202524
+CurrentVersion: '2019.0911'
+CurrentVersionCode: 721202811