Sync NDK headers with bionic's. Most are new symbols. The only big differences are in arch-mips/include/asm: 1) arch-mips/include/asm/unistd.h, see https://android-review.googlesource.com/#/c/40875 2) arch-mips/include/asm/*, see https://android-review.googlesource.com/#/c/43335 https://android-review.googlesource.com/#/c/43440 https://android-review.googlesource.com/#/c/43401 Change-Id: I8204f9b5f2f2c14a31dc28efc8a9d8c66cf73fe2