update new 4.9 revision 501d8e25aab57ac36c4206464572dac26a565b5e
Revert "temporary manifest for android-4.2.2_r1.2"

This reverts commit 3e4aef6de869811ce96f466a20116c2cab83bf9f.
use rassaber maguro
use https
update toolchain 4.9 to revison 66d0f5a9e6ca60f5b2caf7f9c5bc4082b0af60e6
Updated toolchain from RasSaber