Enable a bunch of lints that are already clean (#306)

These are all lints that are used in the build repo, the ones which have
violations are commented out.
diff --git a/analysis_options.yaml b/analysis_options.yaml
index 6d41948..74f811e 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -2,7 +2,77 @@
 linter:
   rules:
   - annotate_overrides
+  - avoid_bool_literals_in_conditional_expressions
+  - avoid_classes_with_only_static_members
+  - avoid_empty_else
+  - avoid_function_literals_in_foreach_calls
+  - avoid_init_to_null
+  - avoid_null_checks_in_equality_operators
+  - avoid_relative_lib_imports
+  - avoid_renaming_method_parameters
+  - avoid_return_types_on_setters
+  - avoid_returning_null_for_void
+  - avoid_returning_this
+  - avoid_shadowing_type_parameters
+  - avoid_single_cascade_in_expression_statements
+  - avoid_types_as_parameter_names
+  - avoid_unused_constructor_parameters
+  - await_only_futures
+  - camel_case_types
+  # cascade_invocations
+  # comment_references
+  - control_flow_in_finally
+  - curly_braces_in_flow_control_structures
+  # directives_ordering
+  - empty_catches
+  - empty_constructor_bodies
+  - empty_statements
+  - file_names
+  - hash_and_equals
+  - invariant_booleans
+  - iterable_contains_unrelated_type
+  - library_names
+  - library_prefixes
+  - list_remove_unrelated_type
+  - no_adjacent_strings_in_list
+  - no_duplicate_case_values
+  # non_constant_identifier_names
+  - null_closures
+  - omit_local_variable_types
+  - only_throw_errors
+  - overridden_fields
+  - package_names
+  - package_prefixed_library_names
+  - prefer_adjacent_string_concatenation
+  # prefer_conditional_assignment
+  - prefer_contains
+  - prefer_equal_for_default_values
+  - prefer_final_fields
   - prefer_generic_function_type_aliases
+  - prefer_initializing_formals
+  - prefer_is_empty
+  - prefer_is_not_empty
+  - prefer_null_aware_operators
   - prefer_single_quotes
+  # prefer_typing_uninitialized_variables
+  - recursive_getters
+  - slash_for_doc_comments
+  - test_types_in_equals
+  - throw_in_finally
+  - type_init_formals
+  - unawaited_futures
+  # unnecessary_brace_in_string_interps
   - unnecessary_const
+  - unnecessary_getters_setters
+  - unnecessary_lambdas
   - unnecessary_new
+  - unnecessary_null_aware_assignments
+  - unnecessary_null_in_if_null_operators
+  - unnecessary_overrides
+  - unnecessary_parenthesis
+  - unnecessary_statements
+  # unnecessary_this
+  - unrelated_type_equality_checks
+  - use_rethrow_when_possible
+  - valid_regexps
+  - void_checks