mount: fix incorrect string length calculation

Fix bug https://code.google.com/p/android/issues/detail?id=54192
which incorrectly calculated the length of a string.

Fix compiler warning:

system/core/toolbox/mount.c:59:2: warning: initializer-string for array of chars is too long [enabled by default]
system/core/toolbox/mount.c:59:2: warning: (near initialization for 'options[16].str') [enabled by default]

Change-Id: If8663f8311c6348a730fcf731d402b57fee10cb5
Fixed reversed output in netstat Recv-Q Send-Q columns

Change-Id: I2bc7ac6c886808910212432497f05e34596f5e85
Add tcp buffer thresholds

N/A

Change-Id: I885663217d1606ed3864724fc8242ecbd52af7d5
Signed-off-by: huangqiwu <huangqiwu@xiaomi.com>
Update TCP buffer size

N/A

Change-Id: Id67ce2d0f662a146af033bb27bc64160e9ce4a29
Signed-off-by: huangqiwu <huangqiwu@xiaomi.com>