[infra] Reduce Fuchsia build set.

Change-Id: Iba59af7e031bafc375669e0ba3cc84081476e6e1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/507720
Reviewed-by: Alexander Aprelev <aam@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>

BUILD.gn

@@ -443,7 +443,6 @@ if (is_fuchsia) {
   test_binaries = [
     "dartvm",
     "dartaotruntime",
-    "run_vm_tests",
   ]
 
   foreach(binary, test_binaries) {
@@ -460,10 +459,7 @@ if (is_fuchsia) {
         "libffi_test_dynamic_library.so",
         "libffi_test_functions.so",
       ]
-      resource_files = [
-        ".dart_tool/package_config.json",
-        "tools/addlatexhash.dart",
-      ]
+      resource_files = [ ".dart_tool/package_config.json" ]
       resources = []
       foreach(file, library_files) {
         resources += [
@@ -495,13 +491,7 @@ if (is_fuchsia) {
 
   fuchsia_package("fuchsia_test_package") {
     testonly = true
-    if (is_debug) {
-      package_name = "dart_test_debug"
-    } else if (is_release) {
-      package_name = "dart_test_release"
-    } else if (is_product) {
-      package_name = "dart_test_product"
-    }
+    package_name = "dart_test"
     deps = []
     foreach(binary, test_binaries) {
       deps += [ ":${binary}_test_component" ]

pkg/test_runner/lib/src/fuchsia.dart

@@ -24,9 +24,9 @@ class FuchsiaEmulator {
     assert(publisher == null);
     var args = <String>[
       "./build/fuchsia/test_env.py",
-      "--out-dir=${_outDir(buildDir, mode)}",
+      "--out-dir=$buildDir/gen/dart_test",
       "--device-spec=$arch-emu-large",
-      "--packages=dart_test_$mode.far",
+      "--packages=dart_test.far",
       "--logs-dir=${daemonIsolateDir!.path}",
     ];
     if (arch == "arm64") {
@@ -64,12 +64,12 @@ class FuchsiaEmulator {
     environmentOverrides.addAll(envs);
     return VMCommand(withEnv, [
       "./third_party/fuchsia/test_scripts/test/run_executable_test.py",
-      "--test-name=fuchsia-pkg://fuchsia.com/dart_test_$mode#meta/$component",
+      "--test-name=fuchsia-pkg://fuchsia.com/dart_test#meta/$component",
       // VmexResource not available in default hermetic realm
       // TODO(38752): Setup a Dart test realm.
       "--test-realm=/core/testing/system-tests",
-      "--out-dir=${_outDir(buildDir, mode)}",
-      "--package-deps=dart_test_$mode.far",
+      "--out-dir=$buildDir/gen/dart_test",
+      "--package-deps=dart_test.far",
       ...arguments,
     ], environmentOverrides);
   }
@@ -103,10 +103,6 @@ class FuchsiaEmulator {
     }
   }
 
-  String _outDir(String buildDir, String mode) {
-    return "$buildDir/gen/dart_test_$mode";
-  }
-
   static final FuchsiaEmulator _instance = _create();
 
   static FuchsiaEmulator _create() {

tools/bots/test_matrix.json

@@ -1696,7 +1696,7 @@
           "script": "tools/build.py",
           "arguments": [
             "--os=fuchsia",
-            "runtime"
+            "fuchsia_test_package"
           ]
         },
         {
@@ -1730,7 +1730,7 @@
           "script": "tools/build.py",
           "arguments": [
             "--os=fuchsia",
-            "runtime"
+            "fuchsia_test_package"
           ]
         },
         {