Merge changes from topic "pppolac" am: 813c1e1d6d am: 5f35664496
am: 17e5d02cc0

Change-Id: I4a94248036cdf0608dd2f5cc78502c9948ebe56d
tree: 0b26260efce8da808ad742b0545f41adae2fcb73
  1. pppd/
  2. Android.bp
  3. CleanSpec.mk
  4. README.version