[android_webview] Fix the AOSP bot manifest.

This incorporates a neccessary fix.

BUG=None
TEST=None
TBR=torne@chromium.org

Review URL: https://codereview.chromium.org/164243002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251091 0039d316-1c4b-4281-b951-d872f2087c98

android_webview/buildbot/aosp_manifest.xml

@@ -244,7 +244,7 @@
   <project path="frameworks/testing" name="platform/frameworks/testing" />
   <project path="frameworks/uiautomator" name="platform/frameworks/uiautomator" />
   <project path="frameworks/volley" name="platform/frameworks/volley" />
-  <project path="frameworks/webview" name="platform/frameworks/webview" revision="a77e6d097abd2e9e720c1d1b81b8ac9b63e17bc1" remote="aosp" />
+  <project path="frameworks/webview" name="platform/frameworks/webview" revision="87517ec1cbf5b385a227f59a9aa22632fdf22e57" remote="aosp" />
   <project path="frameworks/wilhelm" name="platform/frameworks/wilhelm" />
   <project path="hardware/akm" name="platform/hardware/akm" />
   <project path="hardware/broadcom/libbt" name="platform/hardware/broadcom/libbt" groups="pdk" />