msm8998: config: enable h/w aac encoder by default

- set h/w aac encoder related system property flag high
  to enabled h/w encoder by default

Change-Id: I4a30c5bd5e5a0d5684a67b61a96412e413d650be
CRs-Fixed: 1036609
diff --git a/configs/msmcobalt/msmcobalt.mk b/configs/msmcobalt/msmcobalt.mk
index 2c721b6..9b74162 100644
--- a/configs/msmcobalt/msmcobalt.mk
+++ b/configs/msmcobalt/msmcobalt.mk
@@ -201,3 +201,8 @@
 use.qti.sw.alac.decoder=true
 PRODUCT_PROPERTY_OVERRIDES += \
 use.qti.sw.ape.decoder=true
+
+#enable hw aac encoder by default
+PRODUCT_PROPERTY_OVERRIDES += \
+qcom.hw.aac.encoder=true
+