Fixing problem with Android armv7 optmization which causes alignment violation (#2188)

* Fixing problem with Android armv7 optmization which causes alignment violation

src/bgfx.cpp

@@ -1869,7 +1869,7 @@ namespace bgfx
 		frameNoRenderWait();
 
 		m_encoderHandle = bx::createHandleAlloc(g_allocator, _init.limits.maxEncoders);
-		m_encoder       = (EncoderImpl*)BX_ALLOC(g_allocator, sizeof(EncoderImpl)*_init.limits.maxEncoders);
+		m_encoder       = (EncoderImpl*)BX_ALIGNED_ALLOC(g_allocator, sizeof(EncoderImpl)*_init.limits.maxEncoders, 16);
 		m_encoderStats  = (EncoderStats*)BX_ALLOC(g_allocator, sizeof(EncoderStats)*_init.limits.maxEncoders);
 		for (uint32_t ii = 0, num = _init.limits.maxEncoders; ii < num; ++ii)
 		{
@@ -1975,7 +1975,7 @@ namespace bgfx
 		{
 			m_encoder[ii].~EncoderImpl();
 		}
-		BX_FREE(g_allocator, m_encoder);
+		BX_ALIGNED_FREE(g_allocator, m_encoder, 16);
 		BX_FREE(g_allocator, m_encoderStats);
 
 		m_dynVertexBufferAllocator.compact();