only enable distribution and sizeAnalysis if the SENTRY_AUTH_TOKEN environment variable is present and isNotBlank()`

Author: supervacuus

sentry-android-integration-tests/test-app-size/build.gradle.kts

@@ -58,6 +58,8 @@ sentry {
   includeDependenciesReport.set(false)
   telemetry.set(false)
   autoInstallation.enabled.set(false)
-  distribution.enabled.set(providers.environmentVariable("SENTRY_AUTH_TOKEN").isPresent)
-  sizeAnalysis.enabled.set(providers.environmentVariable("SENTRY_AUTH_TOKEN").isPresent)
+  val authTokenPresent =
+    providers.environmentVariable("SENTRY_AUTH_TOKEN").map { it.isNotBlank() }.getOrElse(false)
+  distribution.enabled.set(authTokenPresent)
+  sizeAnalysis.enabled.set(authTokenPresent)
 }