tree 0650db9918368950204a0baa7a3c828ae985bd79
parent 98ed9baf5de85599847b2b2f53585243c3b7b776
author Michael Butler <butlermichael@google.com> 1608074426 -0800
committer Michael Butler <butlermichael@google.com> 1608232155 -0800

Remove 'blocking' param from NN ResilientPreparedModel and *Buffer

This change removes the 'blocking' parameter for the
ResilientPreparedModel::Factory and ResilientBuffer::Factory. The
'blocking' parameter is only useful for ResilientDevice::Factory, which
behind the scenes chooses between the HIDL calls IDevice::getService and
IDevice::tryGetService. The equivalent calls for IPreparedModel and
IBuffer are not used, as both are created from the IDevice object.

This change also modifies the ResilientDevice's device recovery
behavior. Prior to this change, ResilientDevice's recovery mechanism had
the following behavior:
* attempt to call a function
* if the function did not return a DEAD_OBJECT error, return
* if the function returned a DEAD_OBJECT error, attempt to recover the
  device
* whether or not the recovery succeeded, call the function again

This CL changes the behavior so that if device recovery fails,
ResilientDevice will not call the function the second time.

Bug: N/A
Test: mma
Change-Id: Icf37d05c884c740178324fcd046ea56914ef7d44