[DNM] Revert "Revert "Revert "manifest: bring back chromium-webview"""

This reverts commit 09a472f68f1064fbea1a0b760bd249eb49b9dbb5.

Reason for revert: Lets give OmniChromium webview another chance

Change-Id: Ia72394674de3187e9cd839cbbd325091631c2c31

remove.xml

@@ -63,6 +63,7 @@
 
   <remove-project name="platform/external/aac" />
   <remove-project name="platform/external/e2fsprogs" />
+  <remove-project name="platform/external/chromium-webview" />
   <remove-project name="platform/external/f2fs-tools" />
   <remove-project name="platform/external/libnfnetlink" />
   <remove-project name="platform/external/libnetfilter_conntrack" />