Clean up remote exceptions from router operations

This change streamlines the way we log router remote exceptions.
Removing some useless info (like the stacktrace) and adding useful info
(like the router package name).

Bug: b/360129098
Test: Manually by casting and force-stopping the media app.
Flag: EXEMPT Logging only
Change-Id: I887db069583f530c3b7f2f1a6b3c2d073bef6ba0