Add model file download and push to emulator for instrumentation tests

Co-authored-by: kirklandsign <107070759+kirklandsign@users.noreply.github.com>

Author: Copilot

.github/workflows/android-build.yml

@@ -107,6 +107,13 @@ jobs:
           working-directory: ${{ matrix.path }}
           script: echo "Generated AVD snapshot for caching."
 
+      - name: Download model files
+        run: |
+          set -e
+          mkdir -p model_files
+          curl -fL -o model_files/model.pte "https://huggingface.co/pytorch/SmolLM3-3B-INT8-INT4/resolve/main/model.pte"
+          curl -fL -o model_files/tokenizer.json "https://huggingface.co/pytorch/SmolLM3-3B-INT8-INT4/resolve/main/tokenizer.json"
+
       - name: Run instrumentation tests
         uses: reactivecircus/android-emulator-runner@v2
         with:
@@ -116,4 +123,9 @@ jobs:
           emulator-options: -no-snapshot-save ${{ env.EMULATOR_OPTIONS }}
           disable-animations: true
           working-directory: ${{ matrix.path }}
-          script: ./gradlew connectedCheck
+          script: |
+            set -e
+            adb shell mkdir -p /data/local/tmp/llama
+            adb push $GITHUB_WORKSPACE/model_files/model.pte /data/local/tmp/llama/
+            adb push $GITHUB_WORKSPACE/model_files/tokenizer.json /data/local/tmp/llama/
+            ./gradlew connectedCheck