Restore Android SDK fetch with version up.

Author: yfakariya

appveyor-debug.yml

@@ -5,9 +5,9 @@ init:
 - cmd: >-
     cd \
 
-    appveyor DownloadFile http://dl.google.com/android/android-sdk_r24.3.4-windows.zip
+    appveyor DownloadFile http://dl.google.com/android/android-sdk_r24.4.1-windows.zip
 
-    7z x android-sdk_r24.3.4-windows.zip > nul
+    7z x android-sdk_r24.4.1-windows.zip > nul
 
     cd %APPVEYOR_BUILD_FOLDER%
 assembly_info:

appveyor-release.yml

@@ -4,6 +4,15 @@ branches:
   - master
   - 0.7
 configuration: Release
+init:
+- cmd: >-
+    cd \
+
+    appveyor DownloadFile http://dl.google.com/android/android-sdk_r24.4.1-windows.zip
+
+    7z x android-sdk_r24.4.1-windows.zip > nul
+
+    cd %APPVEYOR_BUILD_FOLDER%
 assembly_info:
   patch: true
   file: '**\*AssemblyInfo.cs'
@@ -18,6 +27,8 @@ install:
 
     ./SetBuildEnv.ps1
 
+    ./UpdateAndroidSdk.cmd
+
     cd ..
 build_script:
 - ps: >-