misc/cgo/testcshared: remove use of 'env'.

'env' command is not available on some android devices.

Change-Id: I68b1152ef7ea248c8e80c7f71e97da76e3ec6394
Reviewed-on: https://go-review.googlesource.com/9999Reviewed-by: Minux Ma <minux@golang.org>

misc/cgo/testcshared/test.bash

@@ -46,7 +46,7 @@ function run() {
 	case "$goos" in
 	"android")
 		local args=$@
-		output=$(adb shell "cd ${androidpath}; env $@")
+		output=$(adb shell "cd ${androidpath}; $@")
 		output=$(echo $output|tr -d '\r')
 		case $output in
 			*PASS) echo "PASS";;