[cc/sanitize] Add Blocklist property

This will eventually replace the Blacklist property.

Update language to comply with Android’s inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for
reference

Bug: 161896447
Bug: 162245450
Test: build topic
Change-Id: I3c2609c791c27b8ba3bcb55f79304b78bce1f518