Revert "Support a prebuilt WebView." To work around framework resource IDs not being constant, go back to building webviewchromium.jar from source. This reverts commit 9c9341f1d2368b4209fe982f3f1c5de384f67fb7. Orignal Bug: 11426593 Bug: 11324052 (cherry picked from commit cf686f7adb1cbc4efe3e93ae69b040d328b0e23f) Change-Id: Id4e9d644f832fe3ecee9d2cc31234359857ce8c9