On some Android devices (e.g., Sony Xperia), package manager may
fail to extract native libraries when updating Chrome.
The change tries alleviate the situation by:
1) name libchrome with version number;
2) when failed to load library, try to extract native libraies
and load them.
BUG=311644
Review URL: https://codereview.chromium.org/200753002
git-svn-id: http://src.chromium.org/svn/trunk/src/build@258546 4ff67af0-8c30-449e-8e8b-ad334ec8d88c