Add flag indicating gpu support in emulator system image.

Change-Id: I21040f50f8e95b389c1e6db2de93654be6da6f7e
diff --git a/sdk/images_armeabi-v7a_source.properties b/sdk/images_armeabi-v7a_source.properties
index b4ba4e4..d4a7042 100644
--- a/sdk/images_armeabi-v7a_source.properties
+++ b/sdk/images_armeabi-v7a_source.properties
@@ -4,3 +4,5 @@
 AndroidVersion.ApiLevel=15
 #AndroidVersion.CodeName=
 SystemImage.Abi=armeabi-v7a
+SystemImage.GpuSupport=true
+
diff --git a/sdk/images_armeabi_source.properties b/sdk/images_armeabi_source.properties
index 4af4b5d..43f8e07 100644
--- a/sdk/images_armeabi_source.properties
+++ b/sdk/images_armeabi_source.properties
@@ -4,3 +4,4 @@
 AndroidVersion.ApiLevel=15
 #AndroidVersion.CodeName=
 SystemImage.Abi=armeabi
+SystemImage.GpuSupport=true
diff --git a/sdk/images_x86_source.properties b/sdk/images_x86_source.properties
index 7a17964..23753dd 100644
--- a/sdk/images_x86_source.properties
+++ b/sdk/images_x86_source.properties
@@ -4,3 +4,4 @@
 AndroidVersion.ApiLevel=15
 #AndroidVersion.CodeName=
 SystemImage.Abi=x86
+SystemImage.GpuSupport=true