SystemUI: German translation

PS1: add some strings
PS2: fix one string and remove whitespaces
PS5: rebase
PS6: remove whitespaces

Change-Id: Ief3ccec9e1fe1439b26c2cdb518087c0fe66324b
Signed-off-by: Matthias Freund <matthias88freund@gmail.com>
Core: PT-BR translations

Change-Id: Iad610707e18165958212da32b18bcc06833951f8
SystemUI: PT-BR translations

Change-Id: I6af280547e0a80a49cdb58b22090ba47f7435557
Framework: Polish Translation

Polish translations for:
* SystemUI
* WallpaperCropper
* Framework

Change-Id: Id1cfce42ebe8fa4aa18e9922896cd618150d94b2
Base: Add RU translations

Change-Id: Ic1221be323265e17de8b08cb03150ce59b10d610
Base: ES translation

PS1: Sound Tile translations
PS3: Wallpaper Cropper translations
PS5: Remove unused strings

Change-Id: Ifee1143cf66fe24d6a8b02be3055affe982ffbaf
Add zh-rCN Translation

Change-Id: I78862b1fb8e1b53a933dbcbcf82fec7622acb557
SystemUI: catalan translations

PS2: typo

Change-Id: Id2705ade28aba6119a83423f4e8baae4eb38a907