Merge "docs: NDK r11c - release notes and downloads" into mnc-mr-docs am: 42a3312 am: faa815d
am: 2ca2a2c

* commit '2ca2a2c86571d0ad05b95ea0bda7d33414e4cb89':

Change-Id: Ica6e6425d795da330da197536a0e516fb53c8b7d