Remove -no-integrated-as.

I've no idea why I thought I needed this at the time.

Bug: http://b/28577236
Change-Id: I63a13f41efda75fa41a127d1d4f5fe8d9f6a9d04
diff --git a/Android.mk b/Android.mk
index 8d4ebf0..a66318f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -17,7 +17,6 @@
 LOCAL_PATH := $(call my-dir)
 
 google_benchmark_c_flags := \
-  -no-integrated-as \
   -DBENCHMARK_ANDROID \
   -DHAVE_POSIX_REGEX \