omni: emulator: never dexpreopt and allow remount

Change-Id: I807e98020e6dfaf5d1c3d4ff5b29b648b999ba47
diff --git a/utils/emulator/common.mk b/utils/emulator/common.mk
index 4ccabe5..5949d9d 100644
--- a/utils/emulator/common.mk
+++ b/utils/emulator/common.mk
@@ -72,25 +72,4 @@
 # Add our overlays
 PRODUCT_PACKAGE_OVERLAYS += vendor/omni/overlay/common
 
-# Enable dexpreopt for all nightlies
-ifeq ($(ROM_BUILDTYPE),NIGHTLY)
-    ifeq ($(WITH_DEXPREOPT),)
-        WITH_DEXPREOPT := true
-    endif
-endif
-# and weeklies
-ifeq ($(ROM_BUILDTYPE),WEEKLY)
-    ifeq ($(WITH_DEXPREOPT),)
-        WITH_DEXPREOPT := true
-    endif
-endif
-# and security releases
-ifeq ($(ROM_BUILDTYPE),SECURITY_RELEASE)
-    ifeq ($(WITH_DEXPREOPT),)
-        WITH_DEXPREOPT := true
-    endif
-endif
-# but not homemades
-#ifeq ($(ROM_BUILDTYPE),HOMEMADE)
-#    WITH_DEXPREOPT := false
-#endif
+WITH_DEXPREOPT := false
diff --git a/utils/emulator/start_emulator_image.sh b/utils/emulator/start_emulator_image.sh
index 022c4c5..c93ed81 100755
--- a/utils/emulator/start_emulator_image.sh
+++ b/utils/emulator/start_emulator_image.sh
@@ -4,4 +4,4 @@
 export ANDROID_BUILD_TOP=/tmp/generic_x86
 export ANDROID_PRODUCT_OUT=/tmp/generic_x86
 
-~/Android/Sdk/tools/emulator  -verbose -skindir /tmp/generic_x86/skins/ -skin pixel_xl -kernel ~/Android/Sdk/system-images/android-26/google_apis/x86/kernel-ranchu -gpu host -ramdisk ~/Android/Sdk/system-images/android-26/google_apis/x86/ramdisk.img
+~/Android/Sdk/tools/emulator  -verbose -skindir /tmp/generic_x86/skins/ -skin pixel_xl -kernel ~/Android/Sdk/system-images/android-26/google_apis/x86/kernel-ranchu -gpu host -ramdisk ~/Android/Sdk/system-images/android-26/google_apis/x86/ramdisk.img -writable-system
diff --git a/utils/emulator/start_emulator_local.sh b/utils/emulator/start_emulator_local.sh
index 599124c..16ad274 100755
--- a/utils/emulator/start_emulator_local.sh
+++ b/utils/emulator/start_emulator_local.sh
@@ -2,4 +2,4 @@
 
 # assumes the image zip has been extracted in /tmp
 
-emulator  -verbose -skindir $ANDROID_BUILD_TOP/vendor/omni/utils/emulator/skins/ -skin pixel_xl -ramdisk ~/Android/Sdk/system-images/android-26/google_apis/x86/ramdisk.img  -kernel ~/Android/Sdk/system-images/android-26/google_apis/x86/kernel-ranchu -gpu host
+emulator  -verbose -skindir $ANDROID_BUILD_TOP/vendor/omni/utils/emulator/skins/ -skin pixel_xl -ramdisk ~/Android/Sdk/system-images/android-26/google_apis/x86/ramdisk.img  -kernel ~/Android/Sdk/system-images/android-26/google_apis/x86/kernel-ranchu -gpu host -writable-system