Moved libalsautils to vendor. Marked libaudioutils and libaudioroute as
vendor_available

Bug: 33241851
Bug: 37527576
Test: Build sailfish and pass CTS audio
Test: With BOARD_VNDK_VERSION:=current, no link type check
errors related to these libs

(cherry picked from commit a25465b1c46c7ac172371b523e816988dd4aa018)

Merged-In: Ifacd2305a79a50f6bf3182344bc678082047022f
Change-Id: Icb17b4266a2c6443e482efd62769dbc430e7501c
3 files changed