Fix regression in adb_*_command_line commands caused by c481d677

The "cut" should run on the host rather than the client. Android M
preview includes "cut", so this slipped through :S.

BUG=493878

Review URL: https://codereview.chromium.org/1153343007

Cr-Original-Commit-Position: refs/heads/master@{#332544}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 7ce7cf307644d8309740a204689c6642f2153e2b

android/adb_command_line_functions.sh

@@ -24,7 +24,7 @@ function set_command_line() {
 
   if [ $# -eq 0 ] ; then
     # If nothing specified, print the command line (stripping off "chrome ")
-    adb shell "cat $CMD_LINE_FILE 2>/dev/null | cut -d ' ' -s -f2-"
+    adb shell "cat $CMD_LINE_FILE 2>/dev/null" | cut -d ' ' -s -f2-
   elif [ $# -eq 1 ] && [ "$1" = '' ] ; then
     # If given an empty string, delete the command line.
     set -x