Log stack traces from exceptions thrown by devicelab test tasks (flutter#171165)

Author: jason-simmons

dev/devicelab/bin/tasks/android_obfuscate_test.dart

@@ -106,7 +106,8 @@ Future<void> main() async {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     }
   });

dev/devicelab/bin/tasks/android_release_builds_exclude_dev_dependencies_test.dart

@@ -100,7 +100,8 @@ Future<void> main() async {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     }
   });

dev/devicelab/bin/tasks/build_aar_module_test.dart

@@ -265,7 +265,8 @@ Future<void> main() async {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     } finally {
       rmTree(tempDir);

dev/devicelab/bin/tasks/build_android_host_app_with_module_aar.dart

@@ -447,7 +447,8 @@ class ModuleTest {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     } finally {
       rmTree(tempDir);

dev/devicelab/bin/tasks/build_android_host_app_with_module_source.dart

@@ -391,7 +391,8 @@ class ModuleTest {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     } finally {
       rmTree(tempDir);

dev/devicelab/bin/tasks/build_ios_framework_module_test.dart

@@ -51,7 +51,8 @@ Future<void> main() async {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     } finally {
       rmTree(tempDir);

dev/devicelab/bin/tasks/flutter_engine_group_performance.dart

@@ -81,7 +81,6 @@ Future<TaskResult> _doTest() async {
     _copyGradleFromModule(modulePath, androidPath);
 
     await utils.eval(gradlewExecutable, <String>['assembleRelease'], workingDirectory: androidPath);
-
     final String apkPath = path.join(
       multipleFluttersPath,
       'android',
@@ -119,7 +118,8 @@ Future<TaskResult> _doTest() async {
     });
 
     return result ?? TaskResult.failure('no results found');
-  } catch (ex) {
+  } catch (ex, stackTrace) {
+    print('Task exception stack trace:\n$stackTrace');
     return TaskResult.failure(ex.toString());
   }
 }

dev/devicelab/bin/tasks/gradle_desugar_classes_test.dart

@@ -38,7 +38,8 @@ Future<void> main() async {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     }
   });

dev/devicelab/bin/tasks/gradle_java8_compile_test.dart

@@ -90,7 +90,8 @@ class AaaPlugin: FlutterPlugin, MethodCallHandler {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     }
   });

dev/devicelab/bin/tasks/gradle_plugin_bundle_test.dart

@@ -172,7 +172,8 @@ Future<void> main() async {
       return TaskResult.success(null);
     } on TaskResult catch (taskResult) {
       return taskResult;
-    } catch (e) {
+    } catch (e, stackTrace) {
+      print('Task exception stack trace:\n$stackTrace');
       return TaskResult.failure(e.toString());
     }
   });