ci: add CI

Author: abarisain

.github/workflows/android.yml

@@ -0,0 +1,14 @@
+name: Android CI
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Run CI
+        run: make ci