use Util.SDK_INT

use androidX workmanager

extensions/workmanager/build.gradle

@@ -34,7 +34,7 @@ android {
 
 dependencies {
     implementation project(modulePrefix + 'library-core')
-    implementation 'android.arch.work:work-runtime:1.0.1'
+    implementation 'androidw.work:work-runtime:2.0.1'
 }
 
 ext {

extensions/workmanager/src/main/java/com/google/android/exoplayer2/ext/workmanager/WorkManagerScheduler.java

@@ -94,7 +94,7 @@ public final class WorkManagerScheduler implements Scheduler {
             builder.setRequiresCharging(true);
         }
 
-        if (requirements.isIdleRequired() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+        if (requirements.isIdleRequired() && Util.SDK_INT >= 23) {
             builder.setRequiresDeviceIdle(true);
         }