msm: camera: Do not ignore ERESTARTSYS return from wait function By ignoring ERESTARTSYS return from wait function, the thread could potentially hold up the freezing of the task for a long time, causing battery drain. Bug: 10577806 Signed-off-by: Shuzhen Wang <[email protected]> Change-Id: I653c06c6bf41b07c811d6bab33e3c839460f45b6 (cherry picked from commit db69933cd572bb7f6fc6ede66175dc4adfdd8217)