Nenamark Benchmarking suite listing hints that Sony LT30i running Android 5.0 was being tested recently and results were submitted. The benchmark does seem interesting but what does confuse is the graphics chip - Adreno 220.
The Sony Mobile LT30i is the model number for the Xperia T smartphone - the James Bond smartphone. Apparently, this smartphone has the Qualcomm Snapdragon S4 Plus MSM8260A mobile processor paired with Adreno 225 graphics chip. While the Sony LT30i listed in the benchmark listing has Adreno 220 graphics chip which has been used for the Snapdragon S3 family of mobile processors (APQ8060/MSM8260/MSM8660).
That in a way indicates that the Android 5.0 Key Lime Pie will be compatible with the phones released in early 2011 and late 2010 - most importantly carrying that typical hardware such as S3 family of processors. Of course, this is just an estimate based on Google's Android Software update program that will support a smartphone for 18 months after its availability in the market.
The Android 5.0 Key Lime Pie can be expected to be announced by the mid of next year at the Google I/O Conference.