Change fastboot default impl to 'recovery: true'

It is needed to install in recovery according to bug.

Test: na
Bug: 266981597
Change-Id: I74f917d54ae7bec26fc4085e7b794916576fa4c2
diff --git a/fastboot/aidl/default/Android.bp b/fastboot/aidl/default/Android.bp
index 0c96b33..cb38dcc 100644
--- a/fastboot/aidl/default/Android.bp
+++ b/fastboot/aidl/default/Android.bp
@@ -26,7 +26,7 @@
     name: "android.hardware.fastboot-service.example_recovery",
     init_rc: ["android.hardware.fastboot-service.example_recovery.rc"],
     vintf_fragments: ["android.hardware.fastboot-service.example.xml"],
-    recovery_available: true,
+    recovery: true,
     srcs: [
         "Fastboot.cpp",
         "main.cpp",