Gello: Share bitmap via stream vs bitmap

High res devices run into issues when trying to share a preview of the
page as a bitmap. Use  a file uri instead.

Cherry-picked from: https://github.com/CyanogenMod/android_packages_apps_Browser/commit/5eb5e2c3d36ad92e41eef66c2dadcd106f1e0e13

Change-Id: I3016a3a9844cfa581f2535935fffc530c2b34ed9
2 files changed