Align with new GCC options for x86 Android
32-bit: +ssse3
64-bit: +sse4.2 +popcnt

Differential Revision: http://reviews.llvm.org/D4287


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@211688 91177308-0d34-0410-b5e6-96231b3b80d8