Keystore 2.0 km_compat: Fix getKeyCharacteristics / SecLevel::SOFTWARE

Fix getKeyCharacteristics when the security level is SOFTWARE.

Ignore-AOSP-First: Will backport to aosp
Test: keystore2_km_compat_test
Test: com.android.tests.odsign.OnDeviceSigningHostTest
Bug: 189973657
Change-Id: Ia6cdeb427132946450929ccaf8a9d56f2da5cb43
1 file changed