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

Change-Id: I441fc693e0f6861160ebc615b2ba15feba29e1a7