Build Optimizations (Squash)
This is a squash commit including a big bunch of commmits from velocity including fstrict-aliasing etc..

PS1:More build optimizations

Signed-off-by: Marco Marinho <marco@marinho.org>

PS2:Clean up

Signed-off-by: Marco Marinho <marco@marinho.org>

PS3:Memory optimization (Credits to AOSPAL)

Signed-off-by: Marco Marinho <marco@marinho.org>

PS4:Remove -fipa-pta flag

Signed-off-by: Marco Marinho <marco@marinho.org>

PS5:Change thumb to -0s (Testing for now, credits to Vanir for the idea)

Signed-off-by: Marco Marinho <marco@marinho.org>

PS6:Remove -ftree vectorize

Signed-off-by: Marco Marinho <marco@marinho.org>

PS7:Fixes for GCC 4.8+

Signed-off-by: Marco Marinho <marco@marinho.org>

You can see the commits here:

PSX-PureSpeed/android_build/commit/4b450fc39db61a51525ae7204bd74c54ce5ab3f1

Crostantin/android_build/commit/49176991d3cc7939d999f36e067131d5d646eb2d