ANDROID: syscall_check: add vendor hook for open syscall

Through this vendor hook, we can get the timing to check
current running task for the validation of its credential
and open operation.

Bug: 191291287

Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Change-Id: Ia644ceb02dbc230ee1d25cad3630c2c3f908e41a
(cherry picked from commit a7a3b31d)
Signed-off-by: Lee Jones <joneslee@google.com>