Fix build without connected device

build.gradle

@@ -147,7 +147,7 @@ android {
 task runApplication() {
   def result = exec {
     executable = 'adb'
+    ignoreExitValue true
     args = ['shell', 'monkey', '-p', getPackageName(), '-c', 'android.intent.category.LAUNCHER', '1']
   }
-  return result
 }

prepare.py

@@ -204,7 +204,6 @@ class AndroidPreparator(prepare.Preparator):
         makefile = """
 archs={archs}
 TOPDIR=$(shell pwd)
-LINPHONE_ANDROID_VERSION=$(shell git describe --always)
 
 .PHONY: all
 .NOTPARALLEL: all generate-apk install release