[Rev 01] RFR: 8240264: iOS: Unnecessary logging on every pulse when GL context changes

[Jose Pereda]

> This PR comments out too verbose console logging, as it has been done with some other fprintf calls.
> As a follow up of this PR, a custom directive that enables this output if needed can be considered.

Jose Pereda has updated the pull request incrementally with one additional commit since the last revision:

  Call fprintf only if pulse logging was requested

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

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/165/files
  - new: https://git.openjdk.java.net/jfx/pull/165/files/635e4579..34d256da

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/165/webrev.01
 - incr: https://webrevs.openjdk.java.net/jfx/165/webrev.00-01

  Stats: 31 lines in 3 files changed: 28 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jfx/pull/165.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/165/head:pull/165

PR: https://git.openjdk.java.net/jfx/pull/165