Revert "Fix for NullPointerException in HTML5VideoViewProxy"

This reverts commit b9eeebfdf9979164eea1a292cd800b9877c07ea6.
Revert "Fix to NullPointerException when activity is relaunched"

This reverts commit 3dba192ede6d2de22b6cac4a4c4754bbb0937c84.
Revert "SystemUI: Add missing recycle calls (fix lint warning)"

This reverts commit 3147d10ee73a8b7b0dad8314d000211c6f753fdb.
Revert "GC triggering performance optimizations"

This reverts commit 675a4287df0f0fba657f80894cb72b0a13a31d62.