emulator: Include the ranchu gps library

Change-Id: I45b8bec7739b42744766852b68580b01b4ce26a0
(cherry picked from commit b8b6638dd0183c68e12ed88f1a4cbdce84c09a15)
diff --git a/target/product/emulator.mk b/target/product/emulator.mk
index e78aef1..c4e4f0b 100644
--- a/target/product/emulator.mk
+++ b/target/product/emulator.mk
@@ -43,6 +43,7 @@
     camera.ranchu.jpeg \
     lights.goldfish \
     gps.goldfish \
+    gps.ranchu \
     fingerprint.goldfish \
     sensors.goldfish \
     audio.primary.goldfish \