Upgrade pdl-compiler to 0.3.0

This project was upgraded with external_updater.
Usage: tools/external_updater/updater.sh update external/rust/crates/pdl-compiler
For more info, check https://cs.android.com/android/platform/superproject/+/main:tools/external_updater/README.md

Test: TreeHugger
Change-Id: Ie7711ab1c41a8628235f3125c9db3a189cffacbf
diff --git a/scripts/generate_cxx_backend_tests.py b/scripts/generate_cxx_backend_tests.py
index 818d376..d8ddd44 100755
--- a/scripts/generate_cxx_backend_tests.py
+++ b/scripts/generate_cxx_backend_tests.py
@@ -328,6 +328,10 @@
         'Struct_Checksum_Field_FromEnd',
         'PartialParent5',
         'PartialParent12',
+        'Packet_Array_Field_VariableElementSize_ConstantSize',
+        'Packet_Array_Field_VariableElementSize_VariableSize',
+        'Packet_Array_Field_VariableElementSize_VariableCount',
+        'Packet_Array_Field_VariableElementSize_UnknownSize',
     ]
 
     output.write(