Avoid deprecated PrivateKeyInfo.getAlgorithmId()

Switch from using the PrivateKeyInfo.getAlgorithmId() method to
using the functionally identical PrivateKeyInfo.getPrivateKeyAlgorithm()
method instead.

Bug: 113148576
Test: build only / inspection
Merged-In: Iab2d3b23ad969f683d716cb981e32fd554c67a81
Change-Id: I9ed5c96a20d6749bf75212c0fd820d71ca0a6053
1 file changed