Change gomobile fork to use the github.com/ProtonMail/go-mobile fork (#107)

* changed the go-mobile fork to use PM's fork

* changed build dir in build.sh

* changed the build dir so we need to change the upload source

* fix syntax err in github action

* fixed the error with the new build dir

* added the java package flag for android builds

* removed the other go-mobile forks from the go.sum

Co-authored-by: marin thiercelin <marin.thiercelin@pm.me>

.github/workflows/android.yml

@@ -17,17 +17,23 @@ jobs:
       with:
         java-version: 1.8
 
+    - name: Set up Go 1.15
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.15.6
+      id: go
+
     - name: Checkout
       uses: actions/checkout@v2
 
     - name: Build
       run: |
         ./build.sh android
-        find build
+        find dist
 
     - name: Upload Android artifacts
       uses: actions/upload-artifact@v2
       with:
         name: Android build
-        path: build/android
+        path: dist/android
         if-no-files-found: error