title: The package name of your Instant App APKs should be the same as your app's package name
body: <p>I'm trying to upload my instant app t play store. I see the below error which uploading instant app apk zip:<br>
  The package name of your Instant App APKs should be the same as your app's package name <br></p>
  
  <p>My build.gradles for respective features as below:
  <br>
  Installed apk (build.gradle) : <br></p>
  
  <pre><code>apply plugin: 'com.android.application'
  
   android {
  compileSdkVersion 26
  buildToolsVersion "27.0.1"
  
  
  defaultConfig {
      applicationId "arith.math.arithapk"
      minSdkVersion 23
      targetSdkVersion 26
      versionCode 1
      versionName "1.0"
  
      testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
  
  }
  buildTypes {
      release {
          minifyEnabled false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
  }
  }
  
   dependencies {
  implementation project(':arithbase')
  implementation project(":arithmaticsumfeature")
   }
  </code></pre>
  
  <p>base (build.gradle):<br></p>
  
  <pre><code>  //apply plugin: 'com.android.application'
   apply plugin: 'com.android.feature'
  
   android {
  compileSdkVersion 26
  buildToolsVersion "27.0.1"
  baseFeature = true
  defaultConfig {
      minSdkVersion 23
      targetSdkVersion 26
      versionCode 1
      versionName "1.0"
      testInstrumentationRunner 
      "android.support.test.runner.AndroidJUnitRunner"
      }
      buildTypes {
      release {
          minifyEnabled false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
  }
        }
  
    dependencies {
  implementation fileTree(include: ['*.jar'], dir: 'libs')
  androidTestImplementation('com.android.support.test.espresso:espresso-
   core:3.0.1', {
      exclude group: 'com.android.support', module: 'support-annotations'
  })
  implementation 'com.android.support:appcompat-v7:26.1.0'
  testImplementation 'junit:junit:4.12'
  implementation 'com.android.support.constraint:constraint-layout:1.0.2'
  implementation 'com.android.support:design:26.1.0'
  feature project(":arithmaticsumfeature")
  api 'com.android.support:appcompat-v7:26.1.0'
     application project(':arithapk')
  }
  </code></pre>
  
  <p>Feature(build.gradle):<br></p>
  
  <pre><code>     apply plugin: 'com.android.feature'
  
        android {
  compileSdkVersion 26
  buildToolsVersion "27.0.1"
  
  
  defaultConfig {
      minSdkVersion 23
      targetSdkVersion 26
      versionCode 1
      versionName "1.0"
  
      testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
  
  }
  buildTypes {
      release {
          minifyEnabled false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
  }
    }
  
     dependencies {
  api project(':arithbase')
      }
  </code></pre>
  
  <p>Instant app (build.gradle):</p>
  
  <pre><code>          apply plugin: 'com.android.instantapp'
  
    dependencies {
  implementation project(':arithbase')
  implementation project(":arithmaticsumfeature")
     }
  </code></pre>
  
  <p>Can any one help me in resolving this issue. ? <br></p>
  
  <p>Thanks in Advance</p>