Remove NetHttpTests

The NetHttpTests is not being run anywhere and
has been a source of duplication with NetHttpCoverageTests.

This cl removes this target and merges the xml to
that of NetHttpCoverageTests which is our MTS target.

Bug:b/329262802
Test: atest NetHttpCoverageTests
Change-Id: Id1faead3bdea5ba5a65938dcd88d4ebca5a16ebc
10 files changed