Revert \\\\\"libutils/Unicode.cpp: Correct length computation and add checks for utf16->utf8\\\\\" am: 311002936e am: ddd0051968 am: b218b2d34d am: 605de74373
am: 37826f5613

Change-Id: I3bc2854586879b2a7d7678516a99b7f767a3d4cb