Unified tracking algorithm improvement

src/algorithms/tracking/libs/dll_pll_conf.cc

@@ -36,6 +36,7 @@
 Dll_Pll_Conf::Dll_Pll_Conf()
 {
     /* DLL/PLL tracking configuration */
+    use_fast_resampler = true;
     fs_in = 0.0;
     vector_length = 0;
     dump = false;

src/algorithms/tracking/libs/dll_pll_conf.h

@@ -53,6 +53,7 @@ public:
     float early_late_space_narrow_chips;
     float very_early_late_space_narrow_chips;
     int extend_correlation_symbols;
+    bool use_fast_resampler;
     int cn0_samples;
     int carrier_lock_det_mav_samples;
     int cn0_min;