Limit length and number of MIME types you can set am: 3ae3406b am: d47de97f am: bcd7713f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19785208



Change-Id: I1b0926324f56a0b8a465eedbaf6e50928cbcff7e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>