Check there is only one settings per ContentCompression

This fixes a memory leak with invalid files.

BUG: 127702368

Merged-In: Id7de1f8c35ef2f6458c6fb6c7751a84fe43ed1cc
Change-Id: I73bd34e212d74ffcf8d428e01b5269037147bf8c
(cherry picked from commit 0fbbf3c3e05647aa10174a1876e02ba6a2ec631d)
1 file changed