android#473 Bump coroutines version to 1.3.0-M2

Author: RodrigoMirandaMarenco

app/src/main/java/com/google/samples/apps/sunflower/viewmodels/PlantDetailViewModel.kt

@@ -18,13 +18,12 @@ package com.google.samples.apps.sunflower.viewmodels
 
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.ViewModel
-import androidx.lifecycle.viewModelScope
 import androidx.lifecycle.map
+import androidx.lifecycle.viewModelScope
 import com.google.samples.apps.sunflower.PlantDetailFragment
 import com.google.samples.apps.sunflower.data.GardenPlantingRepository
 import com.google.samples.apps.sunflower.data.Plant
 import com.google.samples.apps.sunflower.data.PlantRepository
-import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.launch
 
@@ -43,7 +42,6 @@ class PlantDetailViewModel(
     /**
      * Cancel all coroutines when the ViewModel is cleared.
      */
-    @ExperimentalCoroutinesApi
     override fun onCleared() {
         super.onCleared()
         viewModelScope.cancel()

build.gradle

@@ -26,7 +26,7 @@ buildscript {
         appCompatVersion = '1.1.0-beta01'
         constraintLayoutVersion = '2.0.0-beta1'
         coreTestingVersion = '2.0.0'
-        coroutinesVersion = "1.1.1"
+        coroutinesVersion = "1.3.0-M2"
         espressoVersion = '3.1.1'
         fragmentVersion = '1.1.0-alpha09'
         glideVersion = '4.9.0'