RFR: 7369: Update THIRDPARTYREADME.TXT and its license attribute

[Guru Hb]

Removed ASM entry from JMC product and added the same for ~/agent/license/THIRDPARTYREADME.txt"

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Commit messages:
 - 7369: Update THIRDPARTYREADME.TXT and its license attribute

Changes: https://git.openjdk.java.net/jmc/pull/290/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=290&range=00
  Issue: https://bugs.openjdk.java.net/browse/JMC-7369
  Stats: 72 lines in 2 files changed: 35 ins; 35 del; 2 mod
  Patch: https://git.openjdk.java.net/jmc/pull/290.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/290/head:pull/290

PR: https://git.openjdk.java.net/jmc/pull/290