1. add return type, int, to toByteArray method so that caller can know how many of bytes it consumes. 2. put final keyword Change-Id: Ia942016fa35ecb04b49be51170739101644c3e31
1. add return type, int, to toByteArray method so that caller can know how many of bytes it consumes. 2. put final keyword Change-Id: Ia942016fa35ecb04b49be51170739101644c3e31