Use the same rustfmt.tolm as proposed for garnet

Change-Id: I67318828502463d840e5026c57c95f19a4e1013d
diff --git a/rustfmt.toml b/rustfmt.toml
index d5582d5..692e394 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,48 +1,58 @@
-max_width = 100
-hard_tabs = false
-tab_spaces = 4
-newline_style = "Unix"
-indent_style = "Block"
-format_strings = true
-wrap_comments = true
-comment_width = 100
-normalize_comments = true
+# This file was originally created by running the command
+# rustfmt --dump-default-config rustfmt.toml && sort -u rustfmt.toml -o rustfmt.toml.
+# Changes from the defaults are marked with comments.
+binop_separator = "Front"
+blank_lines_lower_bound = 0
+blank_lines_upper_bound = 1
+brace_style = "SameLineWhere"
+color = "Auto"
+combine_control_expr = true
+comment_width = 100 # Fuchsia uses 100
+condense_wildcard_suffixes = false
+control_brace_style = "AlwaysSameLine"
+disable_all_formatting = false
 empty_item_single_line = true
-struct_lit_single_line = true
+error_on_line_overflow = false # Comments with urls are allways too long
+error_on_unformatted = false
+fn_args_density = "Compressed" # Fuchsia prefers compressed
 fn_single_line = false
-where_single_line = false
+force_explicit_abi = true
+force_multiline_blocks = false
+format_strings = true # otherwise strings will violate max_width
+hard_tabs = false
+hide_parse_errors = false
 imports_indent = "Visual"
 imports_layout = "Mixed"
+indent_style = "Block"
+match_arm_blocks = true
+match_block_trailing_comma = false
+max_width = 100
+merge_derives = true
+newline_style = "Unix"
+normalize_comments = true # Seems useful
+remove_blank_lines_at_start_or_end_of_block = true
 reorder_extern_crates = true
 reorder_extern_crates_in_group = true
-reorder_imports = true
 reorder_imported_names = true
-reorder_modules = true
-binop_separator = "Front"
-space_before_colon = false
-space_after_colon = true
+reorder_imports = true # This sort of ordering is useful and should be done by a tool
+reorder_imports_in_group = true # This sort of ordering is useful and should be done by a tool
+reorder_modules = true # This sort of ordering is useful and should be done by a tool
+report_fixme = "Never"
+report_todo = "Never"
+skip_children = false
+spaces_around_ranges = false
 spaces_within_parens_and_brackets = false
-combine_control_expr = true
+space_after_colon = true
+space_before_colon = false
 struct_field_align_threshold = 0
-remove_blank_lines_at_start_or_end_of_block = true
-match_arm_blocks = true
-force_multiline_blocks = false
-fn_args_density = "Compressed"
-brace_style = "SameLineWhere"
-control_brace_style = "AlwaysSameLine"
+struct_lit_single_line = true
+tab_spaces = 4
 trailing_comma = "Vertical"
 trailing_semicolon = true
-match_block_trailing_comma = false
-blank_lines_upper_bound = 1
-blank_lines_lower_bound = 0
-merge_derives = true
-use_try_shorthand = true
-condense_wildcard_suffixes = false
-force_explicit_abi = true
+type_punctuation_density = "Wide"
+unstable_features = false
 use_field_init_shorthand = false
-write_mode = "Overwrite"
-disable_all_formatting = false
-skip_children = false
-hide_parse_errors = false
-report_todo = "Never"
-report_fixme = "Never"
+use_small_heuristics = true
+use_try_shorthand = true # Fuchsia prefers the shortcut
+where_single_line = false
+wrap_comments = true # otherwise comments will violate max_width