Improve VLOG_STREAM

Previously VLOG_STREAM would always print even if the module was
turned off. This changes VLOG_STREAM to not print when the module is
off. Like with LOG_STREAM the stream is consumed even if it's not
printed.

Also updated some ti_heap.cc logs to use LOG_STREAM.

Test: ./test/run-test --host --dev 1981
Test: ./test/run-test --host --dev --runtime-option -verbose:plugin 1981
Test: ./test.py --host
Change-Id: If709474918b3e67749647fae5accb0ce98ea3a59
2 files changed