[clang-tidy/ObjC] Update list of acronyms in PropertyDeclarationCheck

Summary: This adds a few common acronyms we found were missing from PropertyDeclarationCheck.

Reviewers: Wizard, hokein

Reviewed By: hokein

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51819

llvm-svn: 341721

clang-tools-extra/docs/clang-tidy/checks/objc-property-declaration.rst

@@ -63,7 +63,7 @@ Options
    If set to ``1``, the value in ``Acronyms`` is appended to the
    default list of acronyms:
 
-   ``ACL;API;ARGB;ASCII;BGRA;CMYK;DNS;FPS;FTP;GIF;GPS;HD;HDR;HTML;HTTP;HTTPS;HUD;ID;JPG;JS;LAN;LZW;MDNS;MIDI;OS;PDF;PIN;PNG;POI;PSTN;PTR;QA;QOS;RGB;RGBA;RGBX;ROM;RPC;RTF;RTL;SDK;SSO;TCP;TIFF;TTS;UI;URI;URL;VC;VOIP;VPN;VR;WAN;XML``.
+   ``[2-9]G;ACL;API;APN;APNS;AR;ARGB;ASCII;AV;BGRA;CA;CDN;CF;CG;CI;CRC;CV;CMYK;DNS;FPS;FTP;GIF;GL;GPS;GUID;HD;HDR;HMAC;HTML;HTTP;HTTPS;HUD;ID;JPG;JS;JSON;LAN;LZW;LTR;MAC;MD;MDNS;MIDI;NS;OS;P2P;PDF;PIN;PNG;POI;PSTN;PTR;QA;QOS;RGB;RGBA;RGBX;RIPEMD;ROM;RPC;RTF;RTL;SC;SDK;SHA;SQL;SSO;TCP;TIFF;TOS;TTS;UI;URI;URL;UUID;VC;VO;VOIP;VPN;VR;W;WAN;X;XML;Y;Z``.
 
    If set to ``0``, the value in ``Acronyms`` replaces the default list
    of acronyms.