MA-7240-4 KernelUidCpuTimeReader exception in mm6.0

logcat error info in mm6.0
01-01 04:59:56.628  1089  1105 E KernelUidCpuTimeReader: Failed to read uid_cputime
01-01 04:59:56.628  1089  1105 E KernelUidCpuTimeReader: java.io.FileNotFoundException:
/proc/uid_cputime/show_uid_stat: open failed: ENOENT (No such file or directory)

This patch add the configure to support /proc/uid_cputime/show_uid_stat.

Signed-off-by: Zhang Sanshan <b51434@freescale.com>
diff --git a/arch/arm/configs/imx_v7_android_defconfig b/arch/arm/configs/imx_v7_android_defconfig
index ff08f0f..9fb3206 100644
--- a/arch/arm/configs/imx_v7_android_defconfig
+++ b/arch/arm/configs/imx_v7_android_defconfig
@@ -641,3 +641,5 @@
 CONFIG_FONTS=y
 CONFIG_FONT_8x8=y
 CONFIG_FONT_8x16=y
+CONFIG_PROFILING=y
+CONFIG_UID_CPUTIME=y