power: gps: add gps read timeout

During download gps file, if network is disconnected, it do not release wakelock
to prevent system to sleep and consume more power until network is connected.
So set gps read tiemout.

Bug: 33469278

Change-Id: I41adf137559d88f76d9da6f63585bfdefc3117b1
Signed-off-by: z00208928 <zhangwei519@huawei.com>