Allow actions to read BUILD_BROKEN_INCORRECT_PARTITION_IMAGES

To maintain good backwards compatibility with the legacy partition
building behavior, allow actions to read
BUILD_BROKEN_INCORRECT_PARTITION_IMAGES so that we don't have to rerun
analysis.

Bug: 205632228
Test: Presubmits
Change-Id: I2b55c0143cbdaf010e6b5fd0c3d51d6930a94eff
diff --git a/bp2build/bp2build_product_config.go b/bp2build/bp2build_product_config.go
index 0214941..20355d7 100644
--- a/bp2build/bp2build_product_config.go
+++ b/bp2build/bp2build_product_config.go
@@ -261,6 +261,7 @@
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:apex_global_min_sdk_version_override=%s\n", proptools.String(productVariables.ApexGlobalMinSdkVersionOverride)))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:binder32bit=%t\n", proptools.Bool(productVariables.Binder32bit)))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:build_from_text_stub=%t\n", proptools.Bool(productVariables.Build_from_text_stub)))
+		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:build_broken_incorrect_partition_images=%t\n", productVariables.BuildBrokenIncorrectPartitionImages))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:build_id=%s\n", proptools.String(productVariables.BuildId)))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:build_version_tags=%s\n", strings.Join(productVariables.BuildVersionTags, ",")))
 		result.WriteString(fmt.Sprintf("    --//build/bazel/product_config:cfi_exclude_paths=%s\n", strings.Join(productVariables.CFIExcludePaths, ",")))