The run in release command produces a debug .apk file

[vchimev]

Introduced in master with #2883.

CLI version: 3.1.0-2017-06-16-9205

Steps to reproduce:

• tns run android --release [keystore options]

Expected: a *-release.apk in platforms/android/build/outputs/apk/.
Actual: a *-debug.apk in platforms/android/build/outputs/apk/.