Adding defaults for AIDL rust fuzzers

Adding rust_defaults for service fuzzers and
using them in existing fuzzers.

Test: m parcel_fuzzer_rs && adb sync data && adb shell data/fuzz/x86_64/parcel_fuzzer_rs/parcel_fuzzer_rs
Bug: 261555016
Change-Id: I7b0a675e404dd49bf775d34c6900d22fbcd951be

Author: waghpawan

libs/binder/rust/tests/parcel_fuzzer/Android.bp

@@ -3,19 +3,12 @@ package {
     default_applicable_licenses: ["frameworks_native_license"],
 }
 
-rust_fuzz {
-    name: "parcel_fuzzer_rs",
-    srcs: [
-        "parcel_fuzzer.rs",
-    ],
+rust_defaults {
+    name: "service_fuzzer_defaults_rs",
     rustlibs: [
-        "libarbitrary",
-        "libnum_traits",
         "libbinder_rs",
         "libbinder_random_parcel_rs",
-        "binderReadParcelIface-rust",
     ],
-
     fuzz_config: {
         cc: [
             "waghpawan@google.com",
@@ -26,3 +19,18 @@ rust_fuzz {
         hotlists: ["4637097"],
     },
 }
+
+rust_fuzz {
+    name: "parcel_fuzzer_rs",
+    srcs: [
+        "parcel_fuzzer.rs",
+    ],
+    defaults: [
+        "service_fuzzer_defaults_rs",
+    ],
+    rustlibs: [
+        "libarbitrary",
+        "libnum_traits",
+        "binderReadParcelIface-rust",
+    ],
+}

libs/binder/rust/tests/parcel_fuzzer/random_parcel/fuzz_service_test/Android.bp

@@ -19,18 +19,10 @@ rust_fuzz {
     srcs: [
         "service_fuzzer.rs",
     ],
+    defaults: [
+        "service_fuzzer_defaults_rs",
+    ],
     rustlibs: [
-        "libbinder_rs",
-        "libbinder_random_parcel_rs",
         "testServiceInterface-rust",
     ],
-    fuzz_config: {
-        cc: [
-            "waghpawan@google.com",
-            "smoreland@google.com",
-        ],
-        triage_assignee: "waghpawan@google.com",
-        // hotlist "AIDL fuzzers bugs" on buganizer
-        hotlists: ["4637097"],
-    },
 }