Instruction set features for ARM64, MIPS and X86.

Also, refactor how feature strings are handled so they are additive or
subtractive.
Make MIPS have features for FPU 32-bit and MIPS v2. Use in the quick compiler
rather than #ifdefs that wouldn't have worked in cross-compilation.
Add SIMD features for x86/x86-64 proposed in:
  https://android-review.googlesource.com/#/c/112370/

Bug: 18056890

Change-Id: Ic88ff84a714926bd277beb74a430c5c7d5ed7666
diff --git a/compiler/dex/quick/gen_common.cc b/compiler/dex/quick/gen_common.cc
index 7674e46..98ddc36 100644
--- a/compiler/dex/quick/gen_common.cc
+++ b/compiler/dex/quick/gen_common.cc
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include "arch/arm/instruction_set_features_arm.h"
 #include "dex/compiler_ir.h"
 #include "dex/compiler_internals.h"
 #include "dex/quick/arm/arm_lir.h"