Create LiteRT pre-submit CI to GitHub actions.

LITERT_OSS_REV_ID: 715149733

.github/workflows/ci-build.yml

@@ -0,0 +1,51 @@
+name: "Presubmit"
+
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
+
+permissions:
+  contents: read
+  actions: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    # ie. presubmit (py 3.11 on ubuntu-latest)
+    name: "presubmit (py ${{ matrix.docker-python-version }} on ubuntu-latest"
+    strategy:
+      matrix:
+        docker-python-version: ['3.11']
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Init submodule
+        run: |
+          git submodule update --init --recursive
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip setuptools
+          python -m pip install build wheel numpy twine auditwheel
+
+      - name: Run bazel test
+        run: |
+          export DOCKER_PYTHON_VERSION="${{ matrix.docker-python-version }}"
+          export EXPERIMENTAL_TARGETS_ONLY="true"
+          echo "docker python version: ${DOCKER_PYTHON_VERSION}"
+          cat tflite/python/metrics/metrics_nonportable_test.py
+          # ./ci/run_bazel_test_with_docker.sh
+