Refactor BuildIOSFrameworkCommand with common darwin baseclass (#105194)

Author: jmagman

packages/flutter_tools/bin/podhelper.rb

@@ -177,9 +177,9 @@ def flutter_install_ios_engine_pod(ios_application_path = nil)
       Pod::Spec.new do |s|
         s.name             = 'Flutter'
         s.version          = '1.0.0'
-        s.summary          = 'High-performance, high-fidelity mobile apps.'
-        s.homepage         = 'https://flutter.io'
-        s.license          = { :type => 'MIT' }
+        s.summary          = 'A UI toolkit for beautiful and fast apps.'
+        s.homepage         = 'https://flutter.dev'
+        s.license          = { :type => 'BSD' }
         s.author           = { 'Flutter Dev Team' => 'flutter-dev@googlegroups.com' }
         s.source           = { :git => 'https://github.com/flutter/engine', :tag => s.version.to_s }
         s.ios.deployment_target = '11.0'
@@ -215,9 +215,9 @@ def flutter_install_macos_engine_pod(mac_application_path = nil)
       Pod::Spec.new do |s|
         s.name             = 'FlutterMacOS'
         s.version          = '1.0.0'
-        s.summary          = 'High-performance, high-fidelity mobile apps.'
-        s.homepage         = 'https://flutter.io'
-        s.license          = { :type => 'MIT' }
+        s.summary          = 'A UI toolkit for beautiful and fast apps.'
+        s.homepage         = 'https://flutter.dev'
+        s.license          = { :type => 'BSD' }
         s.author           = { 'Flutter Dev Team' => 'flutter-dev@googlegroups.com' }
         s.source           = { :git => 'https://github.com/flutter/engine', :tag => s.version.to_s }
         s.osx.deployment_target = '10.11'