Log.wtf implies a catastrophic, unrecoverable failure. Failures to read
procfs files (e.g., due to permissions or non-existence) are better
represented by Log.e as they are often recoverable or expected under
certain conditions, and not always indicative of a fatal application state.
Flag: EXEMPT mainline
Bug: 429012888
Test: TH
Change-Id: I717d46d4c3802ac478e80d2a9dd28c79a9ebc5f7