docs: Minor fix in the Building Your Project with Gradle guide
docs: Minor fix in the Building Your Project with Gradle guide

Change-Id: Ibcb27f4f7cade4a69babd08d7273440a4554e79f

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