title: Xamarin android project is not getting deployed
body: <p>I am using visual studio 2017 on windows 10 desktop (64 bit)
  this is a new installation of Xamarin plug-in. and I am just running my application using android emulator.
  and xamarin android project failing in deploy with below error</p>
  
  <pre><code>1&gt;C:\Program Files\Java\jdk1.8.0_152\\bin\jarsigner.exe -keystore 
  "C:\Users\&lt;username&gt;\AppData\Local\Xamarin\Mono for 
  Android\debug.keystore" -storepass android -keypass android -digestalg 
  SHA1 -sigalg md5withRSA -signedjar bin\Debug\\App5.App5-Signed-
  Unaligned.apk C:\Users\
  &lt;Username&gt;\source\repos\App5\App5\obj\Debug\android\bin\App5.App5.apk 
  androiddebugkey 
  1&gt;No -tsa or -tsacert is provided and this jar is not 
  timestamped.Without a timestamp, users may not be able to validate 
  this 
  jar after the signer certificate's expiration date (2048-01-09) or 
  after any future revocation date.
  1&gt;C:\Program Files (x86)\Android\android-sdk\build-
  tools\25.0.3\zipalign.exe 4 "C:\Users\
  &lt;UserName&gt;\source\repos\App5\App5\bin\Debug\App5.App5-Signed-
  Unaligned.apk" "bin\Debug\\App5.App5-Signed.apk" 
  1&gt;"zipalign.exe" exited with code -1073741819.
  </code></pre>
  
  <p>please note I am using <code>android SDK</code> build tools version 25.0.3
  registry key <code>[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Android SDK Tools]</code> pointing to correct path where android SDK reside.
  also if zipalign command executed separately on command prompt doesn't give any error.</p>