Merge pull request #2933 from murgatroid99/grpc-js_channel_options_fix

grpc-js: Consistently reference the same options object in the channel constructor

Merge pull request #2928 from murgatroid99/grpc-js_1.13.1

grpc-js: Bump to 1.13.1

Merge pull request #2918 from murgatroid99/grpc-js_backoff_trace

grpc-js: Add backoff timer trace logging

Merge pull request #2918 from murgatroid99/grpc-js_backoff_trace

grpc-js: Add backoff timer trace logging

Merge pull request #2900 from murgatroid99/grpc-tools_1.13

grpc-tools: Bump to version 1.13.0

Merge pull request #2898 from murgatroid99/grpc-js-xds_memory_leak_ba…

…ckport_1.12.x

grpc-js-xds: fix LrsCallState statsTimer memory leak

Merge pull request #2896 from murgatroid99/grpc-js_reduce_channel_leak

grpc-js: Allow garbage collection of IDLE channels

Merge pull request #2880 from murgatroid99/grpc-js-xds_preserve_type_…

…state_1.12.x

grpc-js-xds: Preserve resource type version and nonce when unsubscribing (1.12.x)

Merge pull request #2873 from murgatroid99/grpc-js_http_error_resourc…

…e_exhausted_fix

grpc-js: Prioritize HTTP status errors over message decoding errors

Merge pull request #2862 from murgatroid99/grpc-js_connection_drop_re…

…porting_changes

grpc-js: Improve event sequencing when handling connection drops