Reduce jacoco blacklist for libcore to the bare minimum.

Bug: 64836607
Test: `cts-tradefed run cts-dev -m CtsLibcoreTestCases --test-arg com.android.compatibility.testtype.LibcoreTest:coverage:true` on a build with EMMA_INSTRUMENT=true and EMMA_INSTRUMENT_FRAMEWORK=true

Change-Id: Iefa49f49709d5182211a872845b9def6b7bae18a
1 file changed