Tweak IMapper 4.0 VTS to run with AIDL IAllocator

When there is no HIDL IAllocator installed on the device, then these
tests must still run.

Bug: 231982605
Test: VtsHalGraphicsMapperV4_0TargetTest
Change-Id: If7503d398c03086df470971cc2c10029270525f9
diff --git a/graphics/composer/2.1/utils/vts/Android.bp b/graphics/composer/2.1/utils/vts/Android.bp
index 8732d53..c0a0c07 100644
--- a/graphics/composer/2.1/utils/vts/Android.bp
+++ b/graphics/composer/2.1/utils/vts/Android.bp
@@ -32,6 +32,7 @@
         "TestCommandReader.cpp",
     ],
     static_libs: [
+        "android.hardware.graphics.allocator-V1-ndk",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.mapper@2.0-vts",
         "android.hardware.graphics.mapper@3.0-vts",
@@ -39,6 +40,7 @@
         "libgtest",
     ],
     export_static_lib_headers: [
+        "android.hardware.graphics.allocator-V1-ndk",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.mapper@2.0-vts",
         "android.hardware.graphics.mapper@3.0-vts",
diff --git a/graphics/composer/2.1/utils/vts/ComposerVts.cpp b/graphics/composer/2.1/utils/vts/ComposerVts.cpp
index 55aaf12..e777010 100644
--- a/graphics/composer/2.1/utils/vts/ComposerVts.cpp
+++ b/graphics/composer/2.1/utils/vts/ComposerVts.cpp
@@ -318,7 +318,7 @@
     [this] {
         ASSERT_NO_FATAL_FAILURE(mGralloc4 = std::make_shared<Gralloc4>("default", "default",
                                                                        /*errOnFailure=*/false));
-        if (mGralloc4->getAllocator() == nullptr || mGralloc4->getMapper() == nullptr) {
+        if (!mGralloc4->hasAllocator() || mGralloc4->getMapper() == nullptr) {
             mGralloc4 = nullptr;
             ASSERT_NO_FATAL_FAILURE(mGralloc3 = std::make_shared<Gralloc3>("default", "default",
                                                                            /*errOnFailure=*/false));