[LG G Watch] armada786:
My version is 8.14.15.25 and here is the logcat

08-18 14:45:34.298 487 1193 I ActivityManager: START u0 {cmp=com.google.android.googlequicksearchbox/com.google.android.apps.gsa.binaries.clockwork.search.VoicePlateActivity} from uid 1000 on display 0
08-18 14:45:34.316 3880 3880 D AndroidRuntime: Shutting down VM
08-18 14:45:34.321 3880 3880 E AndroidRuntime: FATAL EXCEPTION: main
08-18 14:45:34.321 3880 3880 E AndroidRuntime: Process: cyb.satheesh.homebutton, PID: 3880
08-18 14:45:34.321 3880 3880 E AndroidRuntime: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.google.android.googlequicksearchbox/com.google.android.apps.gsa.binaries.clockwork.search.VoicePlateActivity}; have you declared this activity in your AndroidManifest.xml?
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1805)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.app.Instrumentation.execStartActivity(Instrumentation.java:1523)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.app.ContextImpl.startActivity(ContextImpl.java:791)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.app.ContextImpl.startActivity(ContextImpl.java:768)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.content.ContextWrapper.startActivity(ContextWrapper.java:356)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at satheesh.cyb.virtualwearbutton.MyService$1.onLongClick(MyService.java:75)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.view.View.performLongClickInternal(View.java:5714)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.view.View.performLongClick(View.java:5672)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.widget.TextView.performLongClick(TextView.java:9415)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.view.View.performLongClick(View.java:5690)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.view.View$CheckForLongPress.run(View.java:22398)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:751)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:95)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.os.Looper.loop(Looper.java:154)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6119)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
08-18 14:45:34.321 3880 3880 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
08-18 14:45:34.337 3880 3880 I Process : Sending signal. PID: 3880 SIG: 9
08-18 14:45:34.356 487 698 D GraphicsStats: Buffer count: 2
08-18 14:45:34.356 487 698 I WindowManager: WIN DEATH: Window{e71021a u0 cyb.satheesh.homebutton}
08-18 14:45:34.361 487 800 I ActivityManager: Process cyb.satheesh.homebutton (pid 3880) has died
08-18 14:45:34.361 487 800 D ActivityManager: cleanUpApplicationRecord -- 3880
08-18 14:45:34.361 487 800 W ActivityManager: Service crashed 2 times, stopping: ServiceRecord{34f49c5 u0 cyb.satheesh.homebutton/satheesh.cyb.virtualwearbutton.MyService}

Edit: taking a look at the manifest the activity may now be com.google.android.apps.gsa.binaries.clockwork.retail.RetailVoicePlateActivity