Fix double optimization on buildsystem for emulator

Building the emulator was done with two optimization flags
supplied to the compiler. This prevented to do debug
builds with unoptimized compilation.
This is fixed now.

Change-Id: Ie64747fd45fa9a3e2de37ba094b223ef52ef0f19
diff --git a/Makefile.android b/Makefile.android
index 1f91b64..181986a 100644
--- a/Makefile.android
+++ b/Makefile.android
@@ -35,12 +35,7 @@
 MY_CXX := $(HOST_CXX)
 MY_AR  := $(HOST_AR)
 
-MY_OPTIM := -O2 -g -fno-PIC -falign-functions=0 -fomit-frame-pointer
-ifeq ($(BUILD_DEBUG_EMULATOR),true)
-    MY_OPTIM := -O0 -g
-endif
-
-MY_CFLAGS := $(CONFIG_INCLUDES) $(MY_OPTIM)
+MY_CFLAGS := $(CONFIG_INCLUDES) -O2 -g -fno-PIC -falign-functions=0 -fomit-frame-pointer
 
 # Overwrite configuration for debug builds.
 #