Rename rild.libpath to vendor.rild.libpath

Bug: 36796459
Test: succeeded building and tested on a taimen device
Change-Id: Iaf77c0b2fb15bf75c48f7cbe5d5bb96bdd6417fe
Merged-In: Iaf77c0b2fb15bf75c48f7cbe5d5bb96bdd6417fe
(cherry picked from commit 4e66b11f93d1b4fef99b500af23e65e1b5942867)
diff --git a/device.mk b/device.mk
index 739065a..78592ae 100755
--- a/device.mk
+++ b/device.mk
@@ -236,7 +236,7 @@
     persist.radio.data_con_rprt=true \
     persist.radio.always_send_plmn=true \
     persist.rcs.supported=1 \
-    rild.libpath=/vendor/lib64/libril-qc-qmi-1.so
+    vendor.rild.libpath=/vendor/lib64/libril-qc-qmi-1.so
 
 # Disable snapshot timer
 PRODUCT_PROPERTY_OVERRIDES += \