Merge \\\\\\\\"DO NOT MERGE libutils/Unicode.cpp: Correct length computation and add checks for utf16->utf8\\\\\\\\" into lmp-dev am: 8d2d6cedbb  -s ours am: 71da8e7537 am: 5e03ed1dab am: b00e3603ef  -s ours am: 72bad95df5 am: ae21a25383 am: 1062106a3b
am: 9d6d33dba2  -s ours

Change-Id: Id26c22b458fcd1b7ad32c58449dd9574bc464ad3