Improve scrolling cache

    Scrolling cache helps make short scrolls/flings smooth but will
    cause stutter when long flings are made. This patch disables
    scrolling cache when long flings are made.

    This patch also fixes a related bug where scrolling cache will
    not be enabled properly when transitioning from flinging to scrolling.

    Patch Set 2: Calculate threshold based on maximum velocity (Sang Tae Park)

    Credits: Pawit Pornkitprasan

Change-Id: Iad52a35120212c871ffd35df6184aeb678ee44aa
Remove test media

Change-Id: I2944486a6d168c9a6ab685988b261e8511e9d47d
Disable debug music transport control

Change-Id: I5b458899b0ce5157980ee2fe406af2e2191ee0e2
Fix Google backup/restore

Change-Id: Idd5f63caf58742fc7a52d42e8e64731387983876
Enable Dessert Cake dream

Change-Id: I987154631bab920698ee1d1c3e1d04d80b397ad7
fix for screenshot animation glitch in portrait

edits by Stefano Semeraro aka Suxsem.

Change-Id: I7a03a24c5b1bfdfe616f940b2bd7be42091f45a6