Convert sound_trigger_hal/Android.mk to Android.bp am: aadb1dc327 am: 47e57dd3b9 am: e66135f6b6 am: f245f4a647

Original change: https://android-review.googlesource.com/c/platform/hardware/knowles/athletico/sound_trigger_hal/+/1964939

Change-Id: Ia2dd6a9769aa76d41280b0f6d4d09a5afcc97ace