Guard tiles by synchronized block.

Tiles might be touched in different threads.

bug:7490351
Change-Id: Ie30d43db90cf63f7a6ec6438faabfcae8bca151a
Remove orientation compensation

 Bug: 7446056

Change-Id: I6f00617c890961e4d56545406bac9682356c0b15
Minor fix for some FP rounding errors in crop.

Bug 7566505

Change-Id: Ic3b849b26e0435e0e51a3ddd80c25d8e6e9949aa
Added locking to ImageLoader.

Bug: 7471850
Change-Id: Ifbaf6e3547fad546a6faa94694bc7d3c7bb4711c
Fix moving points in the Curves editor

bug:7632994
Change-Id: Ibd0b22594ad9be52e32ea860976861e4619fb513
Fix wrong colors in Curves

bug:7633765
Change-Id: Ie6d0c175af6a1ade8f225107408ad03e73a289d3
Fix flashing in geometry panel

bug:7406402
Change-Id: If2c6156349b90dfc57c56284ad6d821731e48e1a
Fix overdraw in FilterShow activity

bug:7634701
Change-Id: I2da3e3fdb1ef853fa1a0340a1697e5a013ee87f2
Fix history panel overlap

bug:7545507
Change-Id: I06236f3025191896c851af1d84dc48a4dde18b1d
Add new borders assets

bug:7386268
Change-Id: I026c36bdad32ae6a34ce1d5ec83abff319296d30
Fix overdraw the correct way...

bug:7634701
Change-Id: Ifa7061dac35e948120c1a481c40bcf107f7ee6e1
Set crop ratio to unconstrained by default.

bug:7634466
Change-Id: I4b0e82ca77ab19527293334cc96e7b80f2d75535
Fix potential crash
(regression introduced with fix for 7406402)

bug:7406402
Change-Id: I7ba92b4cb4fe2976583eba54a5bd25a29eae9d5c
Fix transparency issue under the spinner.

bug:7634701
Change-Id: I907ebbb373958350b1b17dc86723e430441a01dd
Added dashed diagonal for crop.

Bug: 7634466
Change-Id: I14c778766d4b00495b2f5f6fa5f87f4877f76381
(re-)add vertical/horizontal lines when moving Curves
Align histogram with Curves grid.

bug:7361722
Change-Id: I327f3fb0ba844cc09f8b899e59f74d368478d30a
Change themes

 Bug: 7587841

Change-Id: Ie283c23015ae94ba6eeb69ba55a0523899718d4e
Remove unneeded border asset

bug:7668120
Change-Id: Ib258fe12655bd33c08257975cac995bc54c7abb2
Prevent Camera UI in Gallery

  Bug: 7668856

At startup, the PhotoView wouldn't execute the onFullScreenChanged
callback, so the Camera UI believed it was in Camera.

Change-Id: I6794c2a5a4eb06d39161a681b7a0afc27d5e4b3f
Handle the case where the orientation column is not here...

bug:7537610
Change-Id: I4f64891a789358c20206aea3033fd17514199d62