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/9999
Reviewed-by: Minux Ma <minux@golang.org>
diff --git a/misc/cgo/testcshared/test.bash b/misc/cgo/testcshared/test.bash
index ed43757..492d25e 100755
--- a/misc/cgo/testcshared/test.bash
+++ b/misc/cgo/testcshared/test.bash
@@ -46,7 +46,7 @@
 	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";;