Rename common to android

Rename the "common" package to "android", because common is too
generic.  Also removes all android.Android naming stutter.

Ran:
gomvpkg -from 'android/soong/common' -to 'android/soong/android'
gorename -from '"android/soong/android".AndroidModuleContext' -to 'ModuleContext'
gorename -from '"android/soong/android".AndroidBaseContext' -to 'BaseContext'
gorename -from '"android/soong/android".AndroidModuleBase' -to 'ModuleBase'
gorename -from '"android/soong/android".AndroidBottomUpMutatorContext' -to 'BottomUpMutatorContext'
gorename -from '"android/soong/android".AndroidTopDownMutatorContext' -to 'TopDownMutatorContext'
gorename -from '"android/soong/android".AndroidModule' -to 'Module'

Change-Id: I3b23590b8ce7c8a1ea1139411d84a53163288da7
diff --git a/cc/x86_64_device.go b/cc/x86_64_device.go
index 7d9edda..65c7c00 100644
--- a/cc/x86_64_device.go
+++ b/cc/x86_64_device.go
@@ -17,7 +17,7 @@
 import (
 	"strings"
 
-	"android/soong/common"
+	"android/soong/android"
 )
 
 var (
@@ -99,13 +99,13 @@
 )
 
 func init() {
-	common.RegisterArchFeatures(common.X86_64, "",
+	android.RegisterArchFeatures(android.X86_64, "",
 		"ssse3",
 		"sse4",
 		"sse4_1",
 		"sse4_2",
 		"popcnt")
-	common.RegisterArchFeatures(common.X86_64, "haswell",
+	android.RegisterArchFeatures(android.X86_64, "haswell",
 		"ssse3",
 		"sse4",
 		"sse4_1",
@@ -113,7 +113,7 @@
 		"aes_ni",
 		"avx",
 		"popcnt")
-	common.RegisterArchFeatures(common.X86_64, "ivybridge",
+	android.RegisterArchFeatures(android.X86_64, "ivybridge",
 		"ssse3",
 		"sse4",
 		"sse4_1",
@@ -121,13 +121,13 @@
 		"aes_ni",
 		"avx",
 		"popcnt")
-	common.RegisterArchFeatures(common.X86_64, "sandybridge",
+	android.RegisterArchFeatures(android.X86_64, "sandybridge",
 		"ssse3",
 		"sse4",
 		"sse4_1",
 		"sse4_2",
 		"popcnt")
-	common.RegisterArchFeatures(common.X86_64, "silvermont",
+	android.RegisterArchFeatures(android.X86_64, "silvermont",
 		"ssse3",
 		"sse4",
 		"sse4_1",
@@ -239,7 +239,7 @@
 	return "${x86_64Ldflags}"
 }
 
-func x86_64ToolchainFactory(arch common.Arch) Toolchain {
+func x86_64ToolchainFactory(arch android.Arch) Toolchain {
 	toolchainCflags := []string{
 		"${x86_64ToolchainCflags}",
 		"${x86_64" + arch.ArchVariant + "VariantCflags}",
@@ -262,5 +262,5 @@
 }
 
 func init() {
-	registerDeviceToolchainFactory(common.X86_64, x86_64ToolchainFactory)
+	registerDeviceToolchainFactory(android.X86_64, x86_64ToolchainFactory)
 }