Update nn hidl to version 1.2 in compatibility_matrix.current.xml.

Bug: 115390740

Test: VtsHalNeuralnetworksV1_2TargetTest
Change-Id: Ib306dc558796a659592c0645a0610e3c8358c37d
(cherry picked from commit beecd569f49a8cade01bd71f3900d84c7f113ad5)
1 file changed