Update language to comply with Android's inclusive language guidance

1. Rename HighRefreshRateBlacklist to HighRefreshRateDenylist
2. Remove crazy from DisplayContent

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

Bug: 162536543
Test: atest HighRefreshRateDenylistTest RefreshRatePolicyTest

Change-Id: Id41a370916448173f5928c91b15219cbaf36f691