Modifying hwbcc_get_protected_data call

This adds the length of the key to conform to the new change in the API
for hwbcc_get_protected_data.

Bug: 221496117
Test: atest VtsHalRemotelyProvisionedComponentTargetTest
Change-Id: I90417c835cdceff40d02a59522f26a38e82a20a3
1 file changed