Implement sdk-installer. Add test pipeline with job matrix.

.github/workflows/test.yml

@@ -8,16 +8,27 @@ on:
 jobs:
   test:
     runs-on: macOS-latest
+    strategy:
+      matrix:
+        api-level: [21, 22, 23, 24, 25, 26, 27, 28, 29]
+        target: [default, google_apis]
+        abi: [x86, x86_64]
     steps:
-    - uses: actions/checkout@v1
+    - name: checkout
+      uses: actions/checkout@v1
       with:
         fetch-depth: 1
-    - run: npm install
-    - run: npm run build
-    - run: npm test
-    - uses: ./
+
+    - name: build and test
+      run: |
+        npm install
+        npm run build
+        npm test
+
+    - name: run action
+      uses: ./
       with: 
-        api-level: 23
-        target: google_apis
-        abi: x86
+        api-level: ${{ matrix.api-level }}
+        target: ${{ matrix.target }}
+        abi: ${{ matrix.abi }}
         headless: true