title: What is the real fix for this issue while building apk release in ionic?
body: <p>I've got an issue while building apk --release in ionic. Gradle daemon is installed.What is the real fix for this issue while building apk release in ionic ?</p>
  
  <pre><code>FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:processReleaseResources'.
  &gt; Android resource linking failed
  23 actionable tasks: 1 executed, 22 up-to-date
    C:\ES.eWarrant\eWarrant\platforms\android\app\src\main\res\xml\authenticator.xml:2: AAPT: error: resource mipmap/icon (aka io.ionic.starter:mipmap/icon) not found.
  
    error: failed linking file resources.
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
  
  * Get more help at https://help.gradle.org
  
  BUILD FAILED in 10s
  C:\ES.eWarrant\eWarrant\platforms\android\gradlew: Command failed with exit code 1 Error output:
  FAILURE: Build failed with an exception.
  
  * What went wrong:
  Execution failed for task ':app:processReleaseResources'.
  &gt; Android resource linking failed
    C:\ES.eWarrant\eWarrant\platforms\android\app\src\main\res\xml\authenticator.xml:2: AAPT: error: resource mipmap/icon (aka io.ionic.starter:mipmap/icon) not found.
  
    error: failed linking file resources.
  
  * Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
  
  * Get more help at https://help.gradle.org
  
  BUILD FAILED in 10s
  [ERROR] An error occurred while running subprocess cordova.
  
          cordova build android --release exited with exit code 1.
  </code></pre>