Make phan stricter about conditional variable declaration
Remaining false positive issues are suppressed.
The suppression and the setting change can only be done together
Bug: T259172
Change-Id: I1f200ac37df7448453688bf464a8250c97313e5d
One exception message contained a trailing dot/space, which I removed
as well, following I935835316c0.
A very small number of exceptions and output() calls contained trailing
space, which I removed for consistency.
Change-Id: I16f48c1a051c452bbef699eb9b7476d83f8821d8