treewide: do a little strip show

Optimize(reduce size) non-stripped binaries using arm-linux-androideabi-strip.

Command :
find . -type f -exec file {} \; | grep "ARM" | grep "not strip" | grep -v "relocatable" | tr ':' ' ' | awk '{print $1}' | while read file; do ~/toolchain/bin/arm-linux-androideabi-strip $file; done

ARM binaries with exception of relocatables are all stripped.

tree size :
before	- 781998491 bytes (745.77 MB)
after	- 757928225 bytes (722.82 MB)

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>