Fix app install icon colors by "reverting" small color change that applies to the private install icon.

Original big color change for reference: ag/28129361

bug:355065774
Test manually:
after LT: https://drive.google.com/file/d/1Wi09fvakgGev_kbRso4LggXRb4GLYCsL/view?usp=sharing
after DT: https://drive.google.com/file/d/1g5NOeV50ekEJl0-7hiSWYLPKsCCGbndP/view?usp=sharing
Flag: NONE color fix

Change-Id: Ie078eefe2b4b2ecf6aa1a086242ba643f42c038b
7 files changed