[Ravenwood] Remove usage of RavenwoodFlagsValueProvider

Flag: EXEMPT host test change only
Bug: 379740361
Test: $ANDROID_BUILD_TOP/frameworks/base/ravenwood/scripts/run-ravenwood-tests.sh
Change-Id: I0bde8e4e7d84a9c82d45c05fc58f2c14922cb19b
5 files changed