docs: remove studio proguard settings from play services
docs: remove studio proguard settings from play services

b/19641719

Change-Id: Id3d9e2db10fc5264b11f41a8359dc05511af7634

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base