estimator_status separate LPE only flags and comment

msg/estimator_status.msg

@@ -6,8 +6,6 @@ float32[3] vibe			# IMU vibration metrics in the following array locations
 # 1 : Gyro high frequency vibe = filtered length of (delta_angle - prev_delta_angle)
 # 2 : Accel high frequency vibe = filtered length of (delta_velocity - prev_delta_velocity)
 
-uint8 health_flags		# Bitmask to indicate sensor health states (vel, pos, hgt)
-uint8 timeout_flags		# Bitmask to indicate timeout flags (vel, pos, hgt)
 float32[24] covariances	# Diagonal Elements of Covariance Matrix
 
 uint16 gps_check_fail_flags     # Bitmask to indicate status of GPS checks - see definition below
@@ -106,3 +104,8 @@ uint16 solution_status_flags # Bitmask indicating which filter kinematic state o
 float32 time_slip # cumulative amount of time in seconds that the EKF inertial calculation has slipped relative to system time
 
 bool pre_flt_fail # true when estimator has failed pre-flight checks and the vehicle should not be flown regardless of flight mode
+
+
+# legacy local position estimator (LPE) flags
+uint8 health_flags		# Bitmask to indicate sensor health states (vel, pos, hgt)
+uint8 timeout_flags		# Bitmask to indicate timeout flags (vel, pos, hgt)