Some liblog tests test symbols that aren't otherwise used on the
platform. Statically link the tests such that we can add version
scripts that expose only the symbols used by the platform, and still
allow the tests to test the rest.
Test: build + unit tests
Change-Id: I898280fa52d31a2c7ad4eafdaa85e8b5f2e87971
No users ever signed up to use this, so remove it to ease the
refactoring of liblog/libbase.
Bug: 119867234
Test: liblog unit tests
Change-Id: I37b99644112bae7b4a2e3f4d06749db08de4ea14