[roll] Revert "[roll] Roll chromium version:75.0.3755.0"

Last chromium build is broken, crbug.com/948938

This reverts commit 32c1c1b2847ca2357c50e0321b16a09b1d2bdf79.

WEB-31
Change-Id: I4b1d3047f7105102ec70f1929e8f850eeb4cd645
diff --git a/tools/cipd.ensure b/tools/cipd.ensure
index 280a806..cbf4048 100644
--- a/tools/cipd.ensure
+++ b/tools/cipd.ensure
@@ -10,16 +10,16 @@
 
 # Chromium and web_runner amd64 / x64 implementation
 @Subdir third_party/chromium/arch/x64
-chromium/fuchsia/webrunner-amd64 0PBM5huPmsmlu700J3DckokjbqeGZnuIdtM43k8W_80C
+chromium/fuchsia/webrunner-amd64 MI0TJ4Wd42hAgoNnZKLCPG55mS_2OqfSnfYRM_PJ72MC
 
 # Chromium and web_runner arm64 / aarch64 implementation
 @Subdir third_party/chromium/arch/arm64
-chromium/fuchsia/webrunner-arm64 1reOfkFzsZSh6JePIs3tHnbLYDUZLKQ9DxSPsM-mI6cC
+chromium/fuchsia/webrunner-arm64 N8HsS13Q65nX1t36IuPdonR70E9f8iQrZiWEavzrxLkC
 
 # cast_runner amd64 / x64 implementation
 @Subdir third_party/cast_runner/arch/x64
-chromium/fuchsia/castrunner-amd64 ZhIZBd5_2IKd8Mad1QC3bX4mJvcOqNHTQjru7VsXkLEC
+chromium/fuchsia/castrunner-amd64 _MVWXFFpJWSUfxcMBAkerSnqe1sF31M6fyYFvcjX29AC
 
 # cast_runner arm64 / aarch64 implementation
 @Subdir third_party/cast_runner/arch/arm64
-chromium/fuchsia/castrunner-arm64 zT7ndhkjuYxVpPiX852kEeIM2zl7j3mLk7nS_NTg1mMC
+chromium/fuchsia/castrunner-arm64 0B3yih9TmzS6uiaHvSj62ZnwtAtq5rnsAID3X1DuFUgC