supersize: Add symbol.template_name, and strip <>s from symbol.name

tools/binary_size/libsupersize/testdata/Console.golden

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 Entering interactive Python shell. Quick reference:
 
-SizeInfo: Cluster, metadata, section_sizes, symbols
-Symbol: FlagsString, IsBss, IsGeneratedByToolchain, IsGroup, address, aliases, end_address, flags, full_name, generated_source, is_anonymous, name, num_aliases, object_path, padding, pss, pss_without_padding, section, section_name, size, size_without_padding, source_path
+SizeInfo: Clustered, metadata, raw_symbols, section_sizes, symbols
+Symbol: FlagsString, IsBss, IsGeneratedByToolchain, IsGroup, address, aliases, end_address, flags, full_name, generated_source, is_anonymous, name, num_aliases, object_path, padding, pss, pss_without_padding, section, section_name, size, size_without_padding, source_path, template_name
 
-SymbolGroup (extends Symbol): Cluster, CountUniqueSymbols, Filter, GroupBy, GroupByNamespace, GroupByPath, GroupBySectionName, Inverted, IterLeafSymbols, IterUniqueSymbols, Sorted, SortedByAddress, SortedByCount, SortedByName, WhereAddressInRange, WhereBiggerThan, WhereFullNameMatches, WhereGeneratedByToolchain, WhereHasAnyAttribution, WhereHasPath, WhereInSection, WhereMatches, WhereNameMatches, WhereObjectPathMatches, WherePathMatches, WhereSourceIsGenerated, WhereSourcePathMatches, is_sorted
+SymbolGroup (extends Symbol): Clustered, CountUniqueSymbols, Filter, GroupedBy, GroupedByName, GroupedByPath, GroupedBySectionName, Inverted, IterLeafSymbols, IterUniqueSymbols, Sorted, SortedByAddress, SortedByCount, SortedByName, WhereAddressInRange, WhereBiggerThan, WhereFullNameMatches, WhereGeneratedByToolchain, WhereHasAnyAttribution, WhereHasPath, WhereInSection, WhereIsTemplate, WhereMatches, WhereNameMatches, WhereObjectPathMatches, WherePathMatches, WhereSourceIsGenerated, WhereSourcePathMatches, WhereTemplateNameMatches, is_sorted
 
 SymbolDiff (extends SymbolGroup): IsAdded, IsRemoved, IsSimilar, WhereNotUnchanged, added_count, changed_count, removed_count, unchanged_count
 
-canned_queries: CategorizeByChromeComponent, CategorizeGenerated
+canned_queries: CategorizeByChromeComponent, CategorizeGenerated, TemplatesByName
 
 Functions: Diff(), Disassemble(), ExpandRegex(), Print(), ShowExamples()
 Variables: canned_queries, size_info
 ********************************************************************************
 # Show pydoc for main types:
 import models
 help(models)
 
 # Show all attributes of all symbols & per-section totals:
 Print(size_info, verbose=True)
 
 # Show two levels of .text, grouped by first two subdirectories
 text_syms = size_info.symbols.WhereInSection("t")
-by_path = text_syms.GroupByPath(depth=2)
+by_path = text_syms.GroupedByPath(depth=2)
 Print(by_path.WhereBiggerThan(1024))
 
 # Show all non-vtable generated symbols
 generated_syms = size_info.symbols.WhereGeneratedByToolchain()
 Print(generated_syms.WhereNameMatches(r"vtable").Inverted().Sorted())
 
 # Show all symbols that have "print" in their name or path, except
 # those within components/.
 # Note: Could have also used Inverted(), as above.
 # Note: Use "help(ExpandRegex)" for more about what {{_print_}} does.
 print_syms = size_info.symbols.WhereMatches(r"{{_print_}}")
 Print(print_syms - print_syms.WherePathMatches(r"^components/"))
 
 # Diff two .size files and save result to a file:
 Print(Diff(size_info1, size_info2), to_file="output.txt")
 
 # View per-component breakdowns, then drill into the last entry.
 c = canned_queries.CategorizeByChromeComponent()
 Print(c)
-Print(c[-1].GroupByPath(depth=2).Sorted())
+Print(c[-1].GroupedByPath(depth=2).Clustered().Sorted())
 
 # For even more inspiration, look at canned_queries.py
 # (and feel free to add your own!).
 Metadata:
     elf_arch=arm
     elf_build_id=WhatAnAmazingBuildId
     elf_file_name=elf
     elf_mtime={redacted}
     git_revision=abc123
     gn_args=var1=true var2="foo"
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 43)  43785380 (98.8%) b@0x0        131072  third_party/fft_fixed.cc
              ff_cos_131072_fixed
 44)  43785380 (98.8%) b@0x0        131072  third_party/fft_float.cc
              ff_cos_65536
 45)  43785380 (98.8%) b@0x2dffda0  28      third_party/icu/ucnv_ext.c
              g_chrome_content_browser_client
 46)  43785380 (98.8%) b@0x2dffe80  200     third_party/icu/ucnv_ext.c
              SaveHistogram::atomic_histogram_pointer
 47)  43785380 (98.8%) b@0x2dffe84  4       third_party/icu/ucnv_ext.c
              g_AnimationFrameTimeHistogram_clazz