Rename SkTDArray::setCount -> resize

Change-Id: I2a8f7e8e5214f1f5545ed6131645313dabf7fa24
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/586516
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
22 files changed