Add gtest wrapper for cjpeg tests

Add gtests to test JPEG compression code paths.

Bug: 993876
Change-Id: I354ab14fd6502adf432bfea32759cd8d062b888e
diff --git a/README.chromium b/README.chromium
index 1bade66..d504ad4 100644
--- a/README.chromium
+++ b/README.chromium
@@ -69,8 +69,10 @@
   - Implement slow IDCT using Arm NEON intrinsics
   - Precompute DCT block output pointers in IDCT functions
   - Implement fast IDCT using Arm NEON intrinsics
-* Patches to enable running the upstream unit tests through gtest. These
-  changes are tracked by Chromium issue: https://crbug.com/993876
+* Patches to enable running the upstream unit tests through gtest.
+  The upstream unit tests are defined here under the section 'TESTS':
+  https://github.com/libjpeg-turbo/libjpeg-turbo/blob/master/CMakeLists.txt
+  These changes are tracked by Chromium issue: https://crbug.com/993876
   - Refactor tjunittest.c to provide test interface
   - Add gtest wrapper for tjunittests
   - Move tjunittest logs from stdout to stderr
@@ -79,6 +81,7 @@
   - Move tbench logs from stdout to stderr
   - Write tjunittest output files to sdcard on Android
   - Refactor cjpeg.c to provide test interface
+  - Add gtest wrapper for cjpeg tests
 
 Refer to working-with-nested-repos [1] for details of how to setup your git
 svn client to update the code (for making local changes, cherry picking from