Crash: IndexOutOfBoundsException on SuggestionPopUpWindow

[mzorz]

This was found running the demo app with UI/Application Exerciser Monkey

// Short Msg: java.lang.IndexOutOfBoundsException
// Long Msg: java.lang.IndexOutOfBoundsException: setSpan (88 ... 271) ends beyond length 88
// Build Label: google/sdk_gphone_x86/generic_x86:8.0.0/OSR1.170901.056/4497355:userdebug/dev-keys
// Build Changelist: 4497355
// Build Time: 1513035881000
// java.lang.IndexOutOfBoundsException: setSpan (88 ... 271) ends beyond length 88
// 	at android.text.SpannableStringBuilder.checkRange(SpannableStringBuilder.java:1309)
// 	at android.text.SpannableStringBuilder.setSpan(SpannableStringBuilder.java:680)
// 	at android.text.SpannableStringBuilder.setSpan(SpannableStringBuilder.java:672)
// 	at android.widget.Editor$SuggestionsPopupWindow.updateSuggestions(Editor.java:3711)
// 	at android.widget.Editor$SuggestionsPopupWindow.show(Editor.java:3583)
// 	at android.widget.Editor.replace(Editor.java:381)
// 	at android.widget.Editor$3.run(Editor.java:2223)
// 	at android.os.Handler.handleCallback(Handler.java:789)
// 	at android.os.Handler.dispatchMessage(Handler.java:98)
// 	at android.os.Looper.loop(Looper.java:164)
// 	at android.app.ActivityThread.main(ActivityThread.java:6541)
// 	at java.lang.reflect.Method.invoke(Native Method)
// 	at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
// 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)

on en emulator with Android 8.0, started from scratch with no clipboard data, and full app permissions.