Fix broken perf tests

Do not dispose Bridge on tearDown. The concept of disposing the Bridge
only made sense when we were loading it dynamically. Some classes have
static initializers that will fail after the dispose (like Typeface).

Test: N/A
Change-Id: I9c934432232bda02a4d26425587096fb6dc957b0
(cherry picked from commit f1532e36e16e2b55f175a24f11df91cf344833ff)
1 file changed