Add java.nio.Buffer helper methods. Bug: 124338141 Test: Boot and observe no core platform api warnings from opengl (cherry picked from commit f5480bdcdd27e492a9858599664c74e16a46a961) Change-Id: I4680418398f0708c26c0124b418a2ccb1094a038 Merged-In: I6db85f6084dd620e08568dbdeea0d10efb20a84f