Invisible Bedrock now makes stone particles

Partner Rank: 3
Partner Team Reporting: Everbloom Studios
Verification Builds: 1.8.0.4 Beta 26 (Win10 #1235442) & 1.7.0.13_RC4 (Win10 #1217941)
Summary: Entities falling onto invisible bedrock now occasionally make particles on impact.
Impact: Breaks immersion on some older maps that used invisible bedrock before barriers were introduced. Teams may need to update old maps from pre-1.6
Repro Steps.
1. Have a floor of invisible bedrock
2. Summon a sheep or some other entity above it by at least 7 blocks.
3. Observe that occasionally stone particles appear on impact.

Observed Results: Stone Particles appear at the entities feet.
Expected Results: Stone Particles do not appear.
Screenshots: None
Regression Builds: Unsure. Pre-1.7