使ActionBarOverflow常显

N/A

这个Change是从4.4移植过来，去除了对硬件Menu的依赖

Ref-Id: Ifc5ff5bc9ca63a05af5582b12ee40aa0ad3eb2da

Conflicts:

core/java/com/android/internal/view/menu/ActionMenuPresenter.java

Change-Id: Ic29643eecd714360212a2f60b06ee937d9796d00
调整Toast动画和显示逻辑

Change-Id: I1893687f658eb7c2ecc230060ab7de9b2c24e8e9
Revert "调整Toast动画和显示逻辑"

This reverts commit 4c62c4f0c9f966bfe59880dfc16bebe52c7e1f58.