uwb: update hal offset timer

Bug: 203119045
Change-Id: I347a7bd89f4404ad553ed3179662c114a0d0a02d
diff --git a/uwb/UWB-calibration.conf b/uwb/UWB-calibration.conf
index 1d89698..e20621f 100644
--- a/uwb/UWB-calibration.conf
+++ b/uwb/UWB-calibration.conf
@@ -112,5 +112,5 @@
 [HAL]antenna_pair_azimuth=4
 [HAL]antenna_pair_elevation=4
 [HAL]tx_antenna=0
-[HAL]minimum_system_offset_uwbtime0=200
+[HAL]minimum_system_offset_uwbtime0=300
 restricted_channels=0