[#199] Pull test results from Firebase Test Lab

A future iteration should generate the HTML reports from these XML files

This rolls back Flank to 21.09.0 but does maintain the ability to version Flank separately.

build.gradle.kts

@@ -86,6 +86,10 @@ if (firebaseTestLabKeyPath.isNotBlank()) {
         }
 
         flankVersion.set(libs.versions.flank.get())
+
+        filesToDownload.set(listOf(
+            "*/matrix_*/*test_results_merged\\.xml"
+        ))
     }
 }
 

gradle.properties

@@ -64,7 +64,7 @@ ANDROID_NDK_VERSION=23.0.7599858
 
 ANDROID_GRADLE_PLUGIN_VERSION=7.1.2
 DETEKT_VERSION=1.19.0
-FLANK_VERSION=22.03.0
+FLANK_VERSION=21.09.0
 FULLADLE_VERSION=0.17.3
 GRADLE_VERSIONS_PLUGIN_VERSION=0.39.0
 KTLINT_VERSION=0.45.1