qcom: Enable TARGET_USES_QCOM_MM_AUDIO

Change-Id: Iff693650db4b9423bc4bb16c12f592c2a74248af
diff --git a/build/core/qcom_target.mk b/build/core/qcom_target.mk
index 5c1c0c7..fabf0ba 100644
--- a/build/core/qcom_target.mk
+++ b/build/core/qcom_target.mk
@@ -51,6 +51,9 @@
         endif
     endif
 
+    # Allow building audio encoders
+    TARGET_USES_QCOM_MM_AUDIO := true
+
     # Enable extra offloading for post-805 targets
     ifneq ($(filter msm8992 msm8994,$(TARGET_BOARD_PLATFORM)),)
         qcom_flags += -DHAS_EXTRA_FLAC_METADATA