commit f4cb6d6789e9568efe2de5edf43598e522a8dd14
author Xiao Ma <xiaom@google.com> Fri Oct 23 18:10:12 2020 +0900
committer Xiao Ma <xiaom@google.com> Mon Dec 07 17:35:03 2020 +0900
tree fc0aed52c56eeaf693891cba23ad943f820f4bdc
parent 1ba696dbf70ecf631e1be4f2d849530cd7a45236

Add new APIs writeToByteBuffer/writeToBytes for generic Struct class.

Split the original U64/UBE64 into two groups: U63/UBE63 which could be
represented by long primitive directly and U64/UBE64 which should be
represented by BigInteger class.

Also fix the endianness-related issue to support both of big-endian or
little-endian input ByteBuffer, and writeToBytes API outputs the bytes
array in appropriate order then.

Bug: 163492391
Test: atest android.net.util.StructTest --rerun-until-failure
Change-Id: Ie9c07fac6dcfceb8efdf1d6b56ce6ff1e845f477