Change the Android makefile to use GCC 4.6 instead of GCC 4.4.3.

Makefile.android

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 30 matching lines @@
   ifeq ($(HOST_OS), mac)
     TOOLCHAIN_DIR = darwin-x86
   else
     $(error Host platform "${HOST_OS}" is not supported)
   endif
 endif
 
 ifeq ($(ARCH), android_arm)
   DEFINES  = target_arch=arm v8_target_arch=arm android_target_arch=arm
   DEFINES += arm_neon=0 armv7=1
-  TOOLCHAIN_ARCH = arm-linux-androideabi-4.4.3
+  TOOLCHAIN_ARCH = arm-linux-androideabi-4.6
 else
   ifeq ($(ARCH), android_ia32)
     DEFINES = target_arch=ia32 v8_target_arch=ia32 android_target_arch=x86
-    TOOLCHAIN_ARCH = x86-4.4.3
+    TOOLCHAIN_ARCH = x86-4.6
   else
     $(error Target architecture "${ARCH}" is not supported)
   endif
 endif
 
 TOOLCHAIN_PATH = ${ANDROID_NDK_ROOT}/toolchains/${TOOLCHAIN_ARCH}/prebuilt
 ANDROID_TOOLCHAIN ?= ${TOOLCHAIN_PATH}/${TOOLCHAIN_DIR}
 ifeq ($(wildcard $(ANDROID_TOOLCHAIN)),)
   $(error Cannot find Android toolchain in "${ANDROID_TOOLCHAIN}")
 endif
@@ skipping 17 matching lines @@
 # Android GYP file generation targets.
 ANDROID_MAKEFILES = $(addprefix $(OUTDIR)/Makefile.,$(ANDROID_ARCHES))
 $(ANDROID_MAKEFILES):
         @GYP_GENERATORS=make-android \
         GYP_DEFINES="${DEFINES}" \
         CC="${ANDROID_TOOLCHAIN}/bin/*-gcc" \
         CXX="${ANDROID_TOOLCHAIN}/bin/*-g++" \
         build/gyp/gyp --generator-output="${OUTDIR}" build/all.gyp \
                       -Ibuild/standalone.gypi --depth=. -Ibuild/android.gypi \
                       -S.${ARCH} ${GYPFLAGS}