Expose isPropertyAvaiable in manager

Expose isPropertyAvaiable in CarVendorExtensionManager

Bug: 78125236
Test: Make and flash to Mojave
Change-Id: I535a8580503d5f6483804557ffbef5f294cf8d2c
diff --git a/car-lib/api/system-current.txt b/car-lib/api/system-current.txt
index 1054ccd..1ae3e72 100644
--- a/car-lib/api/system-current.txt
+++ b/car-lib/api/system-current.txt
@@ -535,6 +535,7 @@
     method public <E> E getGlobalProperty(java.lang.Class<E>, int) throws android.car.CarNotConnectedException;
     method public java.util.List<android.car.hardware.CarPropertyConfig> getProperties() throws android.car.CarNotConnectedException;
     method public <E> E getProperty(java.lang.Class<E>, int, int) throws android.car.CarNotConnectedException;
+    method public boolean isPropertyAvailable(int, int) throws android.car.CarNotConnectedException;
     method public void registerCallback(android.car.hardware.CarVendorExtensionManager.CarVendorExtensionCallback) throws android.car.CarNotConnectedException;
     method public <E> void setGlobalProperty(java.lang.Class<E>, int, E) throws android.car.CarNotConnectedException;
     method public <E> void setProperty(java.lang.Class<E>, int, int, E) throws android.car.CarNotConnectedException;