run-test-jar: Make host commands more verbose by default.

Don't suppress output of passing commands, since ANDROID_LOG_TAGS
might have been enabled and we want to see it's output.

This restores the previous bash behaviour.

Bug: 241408024
Test: art/test.py -b --host --64 --optimizing
Change-Id: If1eb724b0f6d195837679934d0b071903e06bab8
1 file changed