Add the min aspect ratio to ActivityRecordProto and populate it

This is needed for CompatChangeTests to verify that the min aspect ratio
is applied directly by checking the min aspect ratio.

Bug: 203541827
Test: N/A
Change-Id: I1736cd4a2c4a1c5857796fa9772def7b7d94ba33
Merged-In: I1736cd4a2c4a1c5857796fa9772def7b7d94ba33
2 files changed