fix CI?

.github/workflows/android.yml

@@ -1,22 +1,16 @@
 name: Android CI
 # from https://medium.com/@wkrzywiec/github-actions-for-android-first-approach-f616c24aa0f9
 
-on:
-  push:
-    branches:
-      - '*'
-      # - '!master'
-      # - '!release*'
+on: push
 
 jobs:
   test:
-    name: Run Unit Tests
+    name: Test
     runs-on: ubuntu-18.04
-
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@master
     - name: set up JDK 1.8
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@master
       with:
         java-version: 1.8
     - name: Unit tests