ANDROID: Allow vendor modules perform more operationson.

Export pm_wakeup_irq for obtain the wakeup source when the system
wakes up,it used to handle different processing logic for different
 wakeup sources.

Bug: 378615449
Change-Id: I65c14afb1d3da2e43c58519f8b0233a875db2726
Signed-off-by: Dezhi Huang <huangdezhi@hihonor.com>
(cherry picked from commit 413bd757)