Backport of clang svn@r211688

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

Change-Id: I81c949eac01e58279f9b98ec5daddd85a2368cd3
Signed-off-by: Alexey Volkov <alexey.v.volkov@intel.com>