bufferinjector: Wait 10 ms before next iteration when it's not configured
bufferinjector: Wait 10 ms before next iteration when it's not configured

Change-Id: Ie70ac5b25fcc5c6ca5e5d2a5e76f1d8cd952b256

TribeMedia/kms-core,shelsonjava/kms-core,ESTOS/kms-core,Kurento/kms-core,ESTOS/kms-core,ESTOS/kms-core,Kurento/kms-core,ESTOS/kms-core,Kurento/kms-core,shelsonjava/kms-core,TribeMedia/kms-core,Kurento/kms-core,shelsonjava/kms-core,shelsonjava/kms-core,TribeMedia/kms-core,TribeMedia/kms-core