otter: Bump LOC_HIDL_VERSION to 4.3

Change-Id: I1f22fa4c4d0b8787c9e9d027081376775d0d5255
diff --git a/BoardConfig.mk b/BoardConfig.mk
index 6e9355b..16a143a 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -64,7 +64,7 @@
 
 # GPS
 BOARD_VENDOR_QCOM_GPS_LOC_API_HARDWARE := default
-LOC_HIDL_VERSION := 4.2
+LOC_HIDL_VERSION := 4.3
 
 # HIDL
 DEVICE_FRAMEWORK_COMPATIBILITY_MATRIX_FILE := \