Reformat neuralnetworks/1.2/types.hal according to clang-format

While we cannot run clang-format on types.hal directly, we can do so on
the canonical Types.h (which is generated from the same template) and
observe the difference. See change Ia43936d8.

Bug: 160667417
Test: m
Change-Id: Id6a237f29c8156b213455ab093d11ed4c2015460