自从我修改代码，使用Android计费库而不是样例应用程序中的旧IABHelper之后，我一直在收到很多ANR，并得到以下跟踪。有人知道如何解决吗？跟踪信息上没有我的任何一行代码。
"main" prio=5 tid=1 Native
| group="main" sCount=1 dsCount=0 flags=1 obj=0x73b53ac0 self=0x77558a3a00
| sysTid=17097 nice=0 cgrp=default sched=0/0 handle=0x775a8109b0
| state=S schedstat=( 21526708836 9207381756 40660 ) utm=1497 stm=655 core=5 HZ=100
| stack=0x7ff197c000-0x7ff197e000 stackSize=8MB
| held mutexes=
#00 pc 000000000001da2c /system/lib64/libc.so (syscall+28)
#01 pc 00000000000e1ee4 /system/lib64/libart.so (_ZN3art17ConditionVariable16WaitHoldingLocksEPNS_6ThreadE+152)
#02 pc 00000000004e35c8 /system/lib64/libart.so (_ZN3artL12GoToRunnableEPNS_6ThreadE+440)
#03 pc 00000000004e33c8 /system/lib64/libart.so (_ZN3art12JniMethodEndEjPNS_6ThreadE+28)
#04 pc 000000000098a7bc /system/framework/arm64/boot-framework.oat (Java_android_os_BinderProxy_transactNative__ILandroid_os_Parcel_2Landroid_os_Parcel_2I+220)
at android.os.BinderProxy.transactNative (Native method)
at android.os.BinderProxy.transact (Binder.java:751)
at com.android.vending.billing.IInAppBillingService$Stub$Proxy.isBillingSupported (IInAppBillingService.java:320)
at com.android.billingclient.api.BillingClientImpl$BillingServiceConnection.onServiceConnected (BillingClientImpl.java:839)
at android.app.LoadedApk$ServiceDispatcher.doConnected (LoadedApk.java:1818)
at android.app.LoadedApk$ServiceDispatcher$RunConnection.run (LoadedApk.java:1847)
at android.os.Handler.handleCallback (Handler.java:808)
at android.os.Handler.dispatchMessage (Handler.java:101)
at android.os.Looper.loop (Looper.java:166)
at android.app.ActivityThread.main (ActivityThread.java:7425)
at java.lang.reflect.Method.invoke (Native method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run (Zygote.java:245)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:921)