CTS: Add tests for RssiCurve

(clean cherry-pick from AOSP)

Bug: 151110495
Test: atest android.net.cts.RssiCurveTest
Change-Id: Ife157773f7bdb07d62c5b9a66810328d9fd5ac91
Merged-In: Ife157773f7bdb07d62c5b9a66810328d9fd5ac91
1 file changed
tree: 4efb9a89ee26e74bf871c4ceb0447e4c2cd52af2
  1. tests/