Revert "[ARM] libm: Implement ARM NEON optimized modf"

This reverts commit bc727b601832bf79f62bda0703bdbce29bb84701.
Revert "libc: counting, rounding, and min/max macros"

This reverts commit e2b60821fef52ab4f07ee3c511777d163e340b85.
Revert "[ARM] libc: Improve how we set memcpy and memcmp flags"

This reverts commit 141638032b374fb7ca59d230e9a8a612b655440d.
Revert "libm:also use optimized sqrt/sqrtf on ARM NEON"

This reverts commit ff331ae2b61658fe3ae44fb4e24b5bde5b9e72aa.
Revert "libm: Squashed CAF sin/cos implementation for ARM NEON"

This reverts commit e22653c752629c3101d2c82d578f712610500636.
Revert "Make ARM <user.h> more glibc-compatible."

This reverts commit 51ed51c67c5d333dc10380fe751027b6802289ba.
Revert "Add arm <sys/ucontext.h>."

This reverts commit ec2ec431663f96731357a1e447a085f2d1885201.
Revert "libm: add fmal long double stub"

This reverts commit 43b8416c02476bb8289f7d17929e45f9a997dd3e.
Revert "libm: sync with upstream freebsd"

This reverts commit 4aa0d93288c8a3838c631ddf143127cba3c9ac9b.
Revert "libc: krait: support KINGFISHER optimized memcpy"

This reverts commit d13c59588dafcd303b09d70dc70526f48791bab6.
Revert "Fix pthread_test to work with gtest 1.7.0."

This reverts commit 6a16968519a371a0e28bce3deeb0d91eaf970c87.
Revert "Remove a __system_property_get call from the DNS code."

This reverts commit 407fa25a8da5ebd5f5b6e00f167a71001932be89.
Revert "bionic: Change the type of soinfo's size to size_t"

This reverts commit 9152f58e017255120cd7e60042d4bf3a9cc564dd.