custom name for debug buildType

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
    <application
        android:label="${applicationLabel}">
        <activity
            android:label="${applicationLabel}">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

build.gradle

android {
    defaultConfig {
        manifestPlaceholders = [ applicationLabel:"@string/app_name"]
    }
    buildTypes {
        debug {
            applicationIdSuffix ".debug"
            manifestPlaceholders = [ applicationLabel:"MyApp Debug"]
        }
    }
}