09-08 16:50:27.867 19951 19951 E AndroidRuntime: Process: org.chromium.chrome:sandboxed_process0, PID: 19951
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.chromium.base.DiscardableReferencePool.drain()' on a null object reference
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at org.chromium.chrome.browser.ChromeApplication.onTrimMemory(ChromeApplication.java:72)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at android.app.ActivityThread.handleTrimMemory(ActivityThread.java:4392)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1532)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at android.os.Handler.dispatchMessage(Handler.java:102)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at android.os.Looper.loop(Looper.java:148)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at android.app.ActivityThread.main(ActivityThread.java:5417)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at java.lang.reflect.Method.invoke(Native Method)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
  	09-08 16:50:27.867 19951 19951 E AndroidRuntime: 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)


First build failure: https://build.chromium.org/p/chromium.gpu.fyi/builders/Android%20Release%20%28Nexus%209%29/builds/8314

There's no java changes in there, or discardable anything.

Waiting to see if next build fails the same way.