MediaBitstreamsDeviceSideTest: Replace newline from exceptions logged

If the exception being logged contains a newline characted,
the module that parses these results runs into issues. To
handle such cases, remove newline before logging the exception.

Bug: 293417404
Test: atest CtsMediaBitstreamsTestCases:H264Yuv420_8bitHpBitstreamsTest
(cherry picked from https://android-review.googlesource.com/q/commit:f6981c9faf78ca0318f7039cfbd91e4f714d1240)
Merged-In: Ibee29986dc98538aad0e408f6eb68a4ddcb79ec2
Change-Id: Ibee29986dc98538aad0e408f6eb68a4ddcb79ec2