[automerger skipped] Allow CacheOomRanker to rerank when there's <8 processes...

[automerger skipped] Allow CacheOomRanker to rerank when there's <8 processes in the cache. am: 850b432a am: 289a799c -s ours am: 143fdbc5 -s ours

am skip reason: Merged-In I0533da0a70cfe7ed1b48e4f98be24a46f17f7845 with SHA-1 850b432a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15684472

Change-Id: I1d69d338a1111e375a1b35ceb882004c4e18dd8f