Rename "bitrate-control" to "bitrate-modes"

Test: make cts -j123 && cts-tradefed run cts-dev -m \
CtsMediaTestCases --compatibility:module-arg \
CtsMediaTestCases:include-annotation:\
android.platform.test.annotations.RequiresDevice

Bug: 65769027
Change-Id: I09e92841daffdb09d9e236d590462f345f7a1ed8
1 file changed