[errorprone] RawText: Add parenthesis for explicit op precedence

errorprone reports:

[OperatorPrecedence] Use grouping parenthesis to make the
operator precedence explicit

Take the chance to fix also
https://errorprone.info/bugpattern/YodaCondition in the same lines.

Change-Id: I6d8f00842ef2bb24cd00fc413121b8a4e20c186b