RFR: 8249174: Fix improper glyph cache initialization logic for text rende…

[Jayathirth D V]

…ring

-------------

Commit messages:
 - 8249174: Fix improper glyph cache initialization logic for text rendering

Changes: https://git.openjdk.java.net/lanai/pull/62/files
 Webrev: https://webrevs.openjdk.java.net/lanai/62/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8249174
  Stats: 8 lines in 1 file changed: 0 ins; 2 del; 6 mod
  Patch: https://git.openjdk.java.net/lanai/pull/62.diff
  Fetch: git fetch https://git.openjdk.java.net/lanai pull/62/head:pull/62

PR: https://git.openjdk.java.net/lanai/pull/62