Don't Include cpufeatures in sim-eng

Bug 2713199

...to fix the build.

Change-Id: If5deba8c3b054b0d1085604d98a60f2b08b5f2a2

Android.mk

 # Please try to keep this file empty by only including what is necessary to
 # build the Android platform. This is not the normal usage of the NDK.
+
+ifneq ($(TARGET_SIMULATOR),true)
 include ndk/sources/cpufeatures/Android.mk
+endif