Fix internal compiler error on ARM.

For the moment, at least, switch back to the old Neon code because the
new code is triggering internal compiler errors in Chromium ARM.

git-svn-id: http://skia.googlecode.com/svn/trunk@559 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/opts/SkBlitRow_opts_arm.cpp b/src/opts/SkBlitRow_opts_arm.cpp
index 9fa3e74..953d3d5 100644
--- a/src/opts/SkBlitRow_opts_arm.cpp
+++ b/src/opts/SkBlitRow_opts_arm.cpp
@@ -770,7 +770,7 @@
 
 	    /* calculate 'd', which will be 0..7 */
 	    /* dbase[] is 0..7; alpha is 0..256; 16 bits suffice */
-#if 1
+#if ANDROID
 	    /* SkAlpha255To256() semantic a+1 vs a+a>>7 */
 	    alpha8 = vaddw_u8(vmovl_u8(sa), vdup_n_u8(1));
 #else