[Ravenwood] Add runtime Mockito version check

To prevent future Ravenwood tests from using an incorrect Mockito
version, add this new runtime environment check.

Bug: 292141694
Flag: EXEMPT host test change only
Test: $ANDROID_BUILD_TOP/frameworks/base/ravenwood/scripts/run-ravenwood-tests.sh
Change-Id: I52303e744465c26721baaba85aded907af2a06eb
1 file changed