Do not blocklist BDS on CN builds

Bug: 354865513
Test: atest VtsHalGnssTargetTest

Change-Id: Idb2addc4200c99f3cf8944982ad7e5b50930a786
diff --git a/gnss/common/utils/vts/Utils.cpp b/gnss/common/utils/vts/Utils.cpp
index e3ff0f3..38afaf3 100644
--- a/gnss/common/utils/vts/Utils.cpp
+++ b/gnss/common/utils/vts/Utils.cpp
@@ -319,6 +319,24 @@
     return d * 1000;  // meters
 }
 
+// Returns true iff the device has the specified feature.
+bool Utils::deviceSupportsFeature(const char* feature) {
+    bool device_supports_feature = false;
+    FILE* p = popen("/system/bin/pm list features", "re");
+    if (p) {
+        char* line = NULL;
+        size_t len = 0;
+        while (getline(&line, &len, p) > 0) {
+            if (strstr(line, feature)) {
+                device_supports_feature = true;
+                break;
+            }
+        }
+        pclose(p);
+    }
+    return device_supports_feature;
+}
+
 }  // namespace common
 }  // namespace gnss
 }  // namespace hardware
diff --git a/gnss/common/utils/vts/include/Utils.h b/gnss/common/utils/vts/include/Utils.h
index 62d409a..09b99c4 100644
--- a/gnss/common/utils/vts/include/Utils.h
+++ b/gnss/common/utils/vts/include/Utils.h
@@ -60,6 +60,11 @@
     static bool isAutomotiveDevice();
     static double distanceMeters(double lat1, double lon1, double lat2, double lon2);
 
+    // Returns true iff the device has the specified feature.
+    static bool deviceSupportsFeature(const char* feature);
+
+    static bool isCnBuild() { return deviceSupportsFeature("cn.google.services"); }
+
   private:
     template <class T>
     static int64_t getLocationTimestampMillis(const T&);