EGL: fix eglTerminate blob cache behavior

Bug: 9610573
Change-Id: I258e7e0d82ab76fbacf0b9c25d4f92fca6df04ac
diff --git a/opengl/libs/EGL/egl_cache.cpp b/opengl/libs/EGL/egl_cache.cpp
index 03397a9..1607267 100644
--- a/opengl/libs/EGL/egl_cache.cpp
+++ b/opengl/libs/EGL/egl_cache.cpp
@@ -126,11 +126,8 @@
 
 void egl_cache_t::terminate() {
     Mutex::Autolock lock(mMutex);
-    if (mBlobCache != NULL) {
-        saveBlobCacheLocked();
-        mBlobCache = NULL;
-    }
-    mInitialized = false;
+    saveBlobCacheLocked();
+    mBlobCache = NULL;
 }
 
 void egl_cache_t::setBlob(const void* key, EGLsizeiANDROID keySize,
@@ -218,7 +215,7 @@
 }
 
 void egl_cache_t::saveBlobCacheLocked() {
-    if (mFilename.length() > 0) {
+    if (mFilename.length() > 0 && mBlobCache != NULL) {
         size_t cacheSize = mBlobCache->getFlattenedSize();
         size_t headerSize = cacheFileHeaderSize;
         const char* fname = mFilename.string();