vts: VtsHalGraphicsMapperV2_1TargetTest fixup's

1) handles allocated through 'allocate' should be removed through
   'freeBuffer'.

2) make use of intended buffer handle in GetTransportSizeBadBuffer.

Bug: 146444563
Test: build, boot, VtsHalGraphicsMapperV2_1TargetTest

Cherry pick to master from android10-tests-dev

Change-Id: I6c1a67fc36dbc653ec2ada6a335d685d21e82800
Merged-In: I6c1a67fc36dbc653ec2ada6a335d685d21e82800
Signed-off-by: Pierre Couillaud <pierre.couillaud@broadcom.com>
diff --git a/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp b/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp
index 1185945..3d792f9 100644
--- a/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp
+++ b/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp
@@ -94,7 +94,7 @@
                                                     mDummyDescriptorInfo.width);
     ASSERT_EQ(Error::BAD_BUFFER, ret)
         << "validateBufferSize with raw buffer handle did not fail with BAD_BUFFER";
-    native_handle_delete(rawBufferHandle);
+    ASSERT_NO_FATAL_FAILURE(mGralloc->freeBuffer(rawBufferHandle));
 }
 
 /**
@@ -179,11 +179,11 @@
     ASSERT_NO_FATAL_FAILURE(rawBufferHandle = const_cast<native_handle_t*>(
                                 mGralloc->allocate(mDummyDescriptorInfo, false)));
     mGralloc->getMapper()->getTransportSize(
-        invalidHandle, [&](const auto& tmpError, const auto&, const auto&) {
-            ASSERT_EQ(Error::BAD_BUFFER, tmpError)
-                << "getTransportSize with raw buffer handle did not fail with BAD_BUFFER";
-        });
-    native_handle_delete(rawBufferHandle);
+            rawBufferHandle, [&](const auto& tmpError, const auto&, const auto&) {
+                ASSERT_EQ(Error::BAD_BUFFER, tmpError)
+                        << "getTransportSize with raw buffer handle did not fail with BAD_BUFFER";
+            });
+    ASSERT_NO_FATAL_FAILURE(mGralloc->freeBuffer(rawBufferHandle));
 }
 
 /**