Revert "Enable O3 and Linaro Strings rountines... PA Style"

This reverts commit 0512b1636e506c3f98fc8a06b1eb42e9eef7214d.
Revert "Flag -fno-strict-aliasing for libaudio"

This reverts commit 6ea295cd136f0892bec1ea1276f769fb2c2c71fa.