Trying to get emulator action to work

Author: matthew-carroll

.github/workflows/pr_validation.yaml

@@ -13,6 +13,13 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v3
 
+      # Need JDK 17 for Android build.
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
       # The Android emulator action seems to want to include this.
       - name: enable KVM for linux runners
         working-directory: ~