The defines HAVE_32_BYTE_CACHE_LINES and ARCH_ARM_USE_NON_NEON_MEMCPY
are not used by any code. The previous memcpy code that used these
has been split into different architecture versions to avoid the need
for them.
Bug: 8005082
Merge from internal master.
(cherry-picked from commit 6e1a5cf31ba47508b08dba02a45b4ea6e1edd6d2)
Change-Id: Ib18fc3f4131b21cdbd19b9dde7697ac25d066fcf