e0179976cd
check-flagged-apis will read contents from various sources, which use different formats to represent the same piece information (e.g. "class#field" or "<class><field>"). Introduce a Symbol value class to represent any API (i.e. a class, field or method) in a unified format. Bug: 334870672 Test: m check-flagged-apis && check-flagged-apis Change-Id: Id9404294a87b23a9d43e5e13ce39ea5a92608e33