Merge changes I91b92056,I596e00fa,I89fda42d
am: 83e2547

* commit '83e254729dd0109246bb51d15caf91eccec2866f':
  [RenderScript] Update documentation for Allocation.setAutoPadding().
  [RenderScript] Fix IntrinsicConvolve documentation.
  [RenderScript] Update the documentation of Script.LaunchOptions

Change-Id: I0c32261ac32fc79e02b03a186003b7954364c97c