Add gemma test

Author: kirklandsign

llm/android/LlamaDemo/app/build.gradle.kts

@@ -283,6 +283,7 @@ dependencies {
   testImplementation("junit:junit:4.13.2")
   androidTestImplementation("androidx.test.ext:junit:1.1.5")
   androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
+  androidTestImplementation("androidx.test.espresso:espresso-intents:3.5.1")
   androidTestImplementation("androidx.test.uiautomator:uiautomator:2.2.0")
   androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00"))
   androidTestImplementation("androidx.compose.ui:ui-test-junit4")