Update DeviceFarm build config (#2168)

Author: tylerjroach

.github/workflows/maven_release_publisher.yml

@@ -20,9 +20,11 @@ jobs:
         with:
           project-name: AmplifyAndroid-IntegrationTest
           env-vars-for-codebuild: |
-            ORG_GRADLE_PROJECT_useAwsSdkReleaseBuild
+            ORG_GRADLE_PROJECT_useAwsSdkReleaseBuild,
+            NUMBER_OF_DEVICES_TO_TEST
         env:
           ORG_GRADLE_PROJECT_useAwsSdkReleaseBuild: true
+          NUMBER_OF_DEVICES_TO_TEST: 3
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@v1
         with:

configuration/instrumentation-tests.gradle

@@ -25,11 +25,11 @@ subprojects {
                     }
                 }
             }
-            task runTestsInDeviceFarmPool {
+            task runNightlyTestsInDeviceFarmPool {
                 dependsOn(assembleAndroidTest)
                 doLast {
                     exec {
-                        commandLine("$rootDir.path/scripts/run_tests_in_devicefarm_pool.sh")
+                        commandLine("$rootDir.path/scripts/run_nightly_tests_in_devicefarm_pool.sh")
                         args([project.name])
                     }
                 }

scripts/run_tests_in_devicefarm_pool.sh renamed to scripts/run_nightly_tests_in_devicefarm_pool.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 project_arn=$DEVICEFARM_PROJECT_ARN
+max_devices=$NUMBER_OF_DEVICES_TO_TEST
 module_name=$1
 file_name="$module_name-debug-androidTest.apk"
 full_path="$module_name/build/outputs/apk/androidTest/debug/$file_name"
@@ -9,6 +10,11 @@ if [[ -z "${project_arn}" ]]; then
   exit 1
 fi
 
+if [[ -z "${max_devices}" ]]; then
+  echo "NUMBER_OF_DEVICES_TO_TEST not set. Defaulting to 1."
+  max_devices=1
+fi
+
 # Function to setup the app uploads in device farm
 function createUpload {
   test_type=$1
@@ -110,7 +116,7 @@ run_arn=`aws devicefarm schedule-run --project-arn=$project_arn \
                                 "filters": [
                                   {"attribute": "ARN", "operator":"IN", "values":["'$minDevice'", "'$middleDevice'", "'$latestDevice'"]}
                                 ],
-                                "maxDevices": 3
+                                "maxDevices": '$max_devices'
                             }' \
                             --name="$file_name-$CODEBUILD_SOURCE_VERSION" \
                             --test="type=INSTRUMENTATION,testPackageArn=$test_package_upload_arn" \