ART: Suppress libbase failures in valgrind

Whitelist globals in libbase's logging code that are triggered
when loading libjavacore.

Note: this suppression is very broad and applies to all leaks
during core native-methods binding. It is intentionally so to
be robust to name changes.

Test: m valgrind-test-art-host
Test: m valgrind-test-art-target-gtest-exception_test (N9)
Bug: 31275764
Change-Id: I5acba084fe6cfc3b03e1f899ea546a57ad5cf11c