Integrate with fastboot HAL to get partition type

Bug: 79480454
Bug: 78793464

Test: fastboot getvar partition-type:userdata

Change-Id: Ib096ee8061568b8503f3a3f2dbb7e19a932162c4
diff --git a/fastboot/Android.bp b/fastboot/Android.bp
index 3b91ddd..6b175af 100644
--- a/fastboot/Android.bp
+++ b/fastboot/Android.bp
@@ -121,6 +121,7 @@
 
     shared_libs: [
         "android.hardware.boot@1.0",
+        "android.hardware.fastboot@1.0",
         "libadbd",
         "libasyncio",
         "libbase",