Fix incorrect property

Bug: 331752132
Test: Manually
Change-Id: I78a89e834e5a04470cc405e4f4ae6ec2530f64e2

bluetooth/qti_default.mk

@@ -57,7 +57,7 @@ PRODUCT_PRODUCT_PROPERTIES += \
     ro.bluetooth.leaudio.le_audio_connection_by_default=false
 
 # Bluetotoh Auto On feature
-PRODUCT_PRODUCT_PROPERTIES +=
+PRODUCT_PRODUCT_PROPERTIES += \
 	bluetooth.server.automatic_turn_on=true
 
 # Bluetooth HAL and Pixel extension