Merge changes I8df51128,Ie922b3e7,I31f78419,I7e8df44d,I6067857b,Ifd35587c,Ie8d66740

* changes:
  Fix adb leaking file descriptors to forked processes
  adb: Fix command-line parser.
  adb: Increase device descriptor buffer size in Linux host USB support
  adb: improve debug traces readability.
  adb: Don't report negative number of bytes after pushing file > 2 gigabytes
  Adding Texas Instruments to the VID list.
  Support an additional alias for 'adb shell.'