[sanitizer] Disable failing Android test after D52371

Summary:
The default values used for Space/Size for the new SizeClassMap do not work
with Android. The Compact map appears to be in the same boat.
Disable the test on Android for now to turn the bots green, but there is no
reason Compact & Dense should not have an Android test.
Added a FIXME, I will revisit this soon.

Reviewers: eugenis

Subscribers: srhines, kubamracek, delcypher, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D52623

llvm-svn: 343252