Merge "libwavextractor: Add host support" am: d10311e4bd am: d709f7cd6c am: 500409c9f7 am: ccbe5792cd

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1325720

Change-Id: I502a0afbadaa2b47b31a592f4a337f2afa779814