[VTS][AWARE]Setting callbacktype type to invalid value before invoking HIDL call

Avoid race condition between event callback and wait context. Make
callbacktype to invalid before call function to change it.

Test: atest VtsHalWifiNanV1_0TargetTest VtsHalWifiNanV1_2TargetTest
Bug: 133484330
Change-Id: I9211c3e172727f56d0cceaf91b98f8d5b3c7fc7e
2 files changed