Partially revert argument escaping.

Commands chained with && need to be passed through literally instead
of always being quoted.

(cherry-pick of 7c460351f53cb683097fe4071b9ec1e4cd7cdf82.)

Bug: 15479704
Change-Id: I2998e40a92a3bfd092098cd526403b469c86c9a6
1 file changed