DO NOT MERGE Update Jvmti out of JvmtiPreparer

The special preparer is not needed anymore since b/37579245
Changing back to main stream reporter to avoid filling up
too many sponge label.

Test: build, cts unit tests
Bug: 26548218
Change-Id: Iea3e6a975ea147b293b1250e6a50391e47d574e4
39 files changed