28f63c0689
+ Keep the wake lock for 500ms. (Some measurements on N1 indicate 160~180ms needed to bring up InCallScreen but since INVITE doesn't come in frequently we can be more generous just to be safe.) + Move MyWakeupLock out of SipService so SipSessionGroup can use it without awkward inter-dependency with SipService. + Add acquire(int timeout) to be used to create the "timed" wake lock. http://b/issue?id=3081828 Change-Id: Iffd1d78d1a5cae9f795252ada75310917095204d