e2fsdroid: Set android_configure when product out is passed.

The only place that's using |product_out| is android_configure_fs().

Bug: 111439984
Test: generated image has correct permission
Change-Id: I2602686b6b92c3e61a541b8794d266b1ee6a00d1
(cherry picked from commit 57c92af0ac608dbb27de9f882336e28de7bb1fa2)
Exempt-From-Owner-Approval: O branch OWNERS file out of date
diff --git a/contrib/android/e2fsdroid.c b/contrib/android/e2fsdroid.c
index f043822..b6aaebf 100644
--- a/contrib/android/e2fsdroid.c
+++ b/contrib/android/e2fsdroid.c
@@ -95,6 +95,7 @@
 			break;
 		case 'p':
 			product_out = absolute_path(optarg);
+			android_configure = 1;
 			break;
 		case 'a':
 			mountpoint = strdup(optarg);