98b7858330
This CL makes the blur behind functionality a public API. As part of this change, we change its previous name (windowBackgroundBlurRadius) to windowBlurBehindRadius. This avoids a name clash with the Window background blur, which only blurs the area of the window. Blur behind blurs everything behind the window (similar behaviour to the dim). This CL exposes WM.LP.blurBehindRadius and, in addition, undeprecates an old flag - FLAG_BLUR_BEHIND. FLAG_BLUR_BEHIND enables the blur behind and blurBehindRadius specifies how dense the blur will be. In addition, we expose two xml attributes on the Window - windowBlurBehindEnable and windowBlurBehindRadius. The usage is similar to the dim api. Bug: 167166562 Bug: 177524486 Test: m && test app Change-Id: If2fcde644c5bcca112495ca99ee66bae909877db