missing import java.io.BufferedInputStream on SessionReportingCoordinator

Author: gubatron

firebase-crashlytics/src/main/java/com/google/firebase/crashlytics/internal/common/SessionReportingCoordinator.java

@@ -36,6 +36,7 @@
 import com.google.firebase.crashlytics.internal.send.DataTransportCrashlyticsReportSender;
 import com.google.firebase.crashlytics.internal.settings.SettingsProvider;
 import com.google.firebase.crashlytics.internal.stacktrace.StackTraceTrimmingStrategy;
+import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;