RFR: 8179181: Cleanup BitMap search API

[Kim Barrett]

Please review this small simplification of the BitMap search API. The
change consists of dropping the _inline suffix from some function
names, and removing the now redundant (and also declared inline)
forwarding wrappers.

CR:
https://bugs.openjdk.java.net/browse/JDK-8179181

Webrev:
http://cr.openjdk.java.net/~kbarrett/8179181/hotspot.00/

Testing:
JPRT