[path_provider] Path provider windows updates (flutter#3049)

- Adds missing iOS podspec to path_provider_windows, which was necessary to publish it (since path_provider doesn't require 1.20+)
- Requires path_provider_windows 0.0.2, not 0.0.1, in path_provider endorsement.

Author: stuartmorgan-g

packages/path_provider/path_provider/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.6.16
+
+* Update Windows endorsement verison
+
 ## 1.6.15
 
 * Endorse Windows implementation.

packages/path_provider/path_provider/pubspec.yaml

@@ -1,7 +1,7 @@
 name: path_provider
 description: Flutter plugin for getting commonly used locations on host platform file systems, such as the temp and app data directories.
 homepage: https://github.com/flutter/plugins/tree/master/packages/path_provider/path_provider
-version: 1.6.15
+version: 1.6.16
 
 flutter:
   plugin:
@@ -24,7 +24,7 @@ dependencies:
   path_provider_platform_interface: ^1.0.1
   path_provider_macos: ^0.0.4
   path_provider_linux: ^0.0.1
-  path_provider_windows: ^0.0.1
+  path_provider_windows: ^0.0.2
 
 dev_dependencies:
   integration_test:

packages/path_provider/path_provider_windows/ios/path_provider_windows.podspec

@@ -0,0 +1,22 @@
+#
+# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html
+# Run `pod lib lint path_provider_windows.podspec' to validate before publishing.
+#
+Pod::Spec.new do |s|
+  s.name             = 'path_provider_windows'
+  s.version          = '0.0.1'
+  s.summary          = 'path_provider_windows iOS stub'
+  s.description      = <<-DESC
+  No-op implementation of the windows path_provider plugin to avoid build issues on iOS
+                       DESC
+  s.homepage         = 'https://github.com/flutter/plugins'
+  s.license          = { :type => 'BSD', :file => '../LICENSE' }
+  s.author           = { 'Flutter Dev Team' => 'flutter-dev@googlegroups.com' }
+  s.source           = { :http => 'https://github.com/flutter/plugins/tree/master/packages/path_provider/path_provider_windows' }
+  s.dependency 'Flutter'
+  s.platform = :ios, '8.0'
+
+  # Flutter.framework does not contain a i386 slice. Only x86_64 simulators are supported.
+  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS[sdk=iphonesimulator*]' => 'x86_64' }
+  s.swift_version = '5.0'
+end