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gpm: fix an issue during the 'Verify and install' firmware step #36

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  • If the connection with the device is Bluetooth, the device could be reset without receiving an ACK when the install firmware API packet is issued on the write characterisitic. This causes an exception different than the expected in the 'Verify and install' firmware step, making the overall process to fail.
  • Issue the 'Verify and install' packet in first instance and send the 'Verify' packet only if the previous one fails and the cause is not a timeout waiting for the answer.

- If the connection with the device is Bluetooth, the device could be reset
  without receiving an ACK when the install firmware API packet is issued
  on the write characterisitic. This causes an exception different than the
  expected in the 'Verify and install' firmware step, making the overall
  process to fail.
- Issue the 'Verify and install' packet in first instance and send the
  'Verify' packet only if the previous one fails and the cause is not a
  timeout waiting for the answer.

Signed-off-by: Diego Escalona <[email protected]>
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