run validation before yarn license (#77)

* run validation before yarn license

* attempt to fix CI errors

https://github.com/yarnpkg/yarn/issues/7212

.github/workflows/build-release-debugsign.yml

@@ -24,21 +24,29 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: recursive
+
       - run: |
           rm submodules/ExoPlayer/gradle/wrapper/gradle-wrapper.jar
+
+      - uses: gradle/wrapper-validation-action@v1
+
       - uses: actions/setup-node@v2
         with:
           node-version: '14'
           cache: 'yarn'
+
       - run: |
-          yarn install
+          yarn install --network-concurrency 1
+
       - run: |
           yarn lint --max-warnings 0
+
       - run: |
           yarn license
+
       - run: |
-          scripts/prepare-exoplayer-ffmpeg.sh
-      - uses: gradle/wrapper-validation-action@v1
+          yarn prepare-build
+
       - uses: gradle/gradle-build-action@v1
         with:
           distributions-cache-enabled: true
@@ -46,11 +54,14 @@ jobs:
           configuration-cache-enabled: true
           build-root-directory: android
           arguments: assembleRelease -PsignReleaseWithDebug=true
+
       - run: |
           mkdir bin
+
       - run: >
           mv android/app/build/outputs/apk/release/app-release.apk
           bin/subtracks-${GITHUB_SHA}.apk
+
       - uses: actions/upload-artifact@v2
         with:
           name: subtracks-testing